These acronyms are commonly referred to in documents and other communications within Tulare County Association of Government's (TCAG) functions as a Metropolitan Planning Organization (MPO), Regional Transportation Planning Agency (RTPA), and Council of Governments (COG).
123 |
|
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3C |
Continuing, Cooperative, and Comprehensive planning |
|
3E |
Education, Enforcement, and Encouragement (Safe Routes to Schools program) |
|
3R |
Resurfacing, Restoration, and Rehabilitation work |
|
4R |
Resurfacing, Restoration, Rehabilitation, and Reconstruction |
|
404 |
Army Corps of Engineers permit for waterway dredging or filling |
A |
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AA |
Affirmative Action |
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AAEE |
American Academy of Environmental Engineers |
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AA/EO |
Affirmative Action and Equal Opportunity |
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AAMAS |
Asphalt Aggregate Mixture Analysis System |
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AAP |
Arterial Analysis Package |
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AAR |
Agency Action Request |
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AARP |
American Association of Retired Persons |
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AASHTO |
American Association of State Highway Officials |
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AADT |
Average Annual Daily Traffic (two-way) |
|
AADTT |
Average Annual Daily Truck Traffic |
|
AB |
Aggregate Base; or, California Assembly Bill |
| AB 32 | 2006, Global Warming Solutions Act |
|
AB 69 |
Created Regional Transportation Planning Agencies |
|
AB 140 |
1988, Deddeh Act |
|
AB 402 |
1977, California Transportation Reform Act |
|
AB 872 |
1999, Regional and local transportation project funds |
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AB 1012 |
1999, Transportation project delivery and management |
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AB 1475 |
Safe Routes to School Program |
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AB 2928 |
2000, Traffic Congestion Relief Act |
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AB 3929 |
Transportation Enhancement Relief Act |
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ABA |
Appropriated Budget Authority |
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ABAG |
Association of Bay Area Governments |
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ABET |
Accreditation Board for Engineering and Technology |
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ABM |
Air Blown Mortar |
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ABME |
Area Bridge Maintenance Engineer |
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ABS |
Acrylonitrile-Butadiene-Styrene; or |
|
AC |
Advance Construction |
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A&C |
Abatement and Control |
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ACB |
Asphalt Concrete Base |
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ACE |
Alamont Commuter Express; Rail Program – Stockton to San Jose |
|
ACHP |
Advisory Council on Historic Preservation |
|
ACI |
American Concrete Institute |
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ACOE |
Army Corps of Engineers |
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ACP |
Asphalt Concrete Pavement; or |
|
ACPA |
American Concrete Pavement Association |
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ACPPA |
American Concrete Pressure Pipe Association |
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ACR |
Allocation Change Request |
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ACSP |
Automated Capital Spending Plan |
|
ACTA |
Alameda County Transportation Authority |
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ACWP |
Actual Cost of Work Performed |
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ADA |
Americans with Disabilities Act; or |
|
ADAAG |
Americans with Disabilities Act Accessibility Guidelines |
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ADIS |
Advanced Driver Information System |
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ADM |
Arrow Diagramming Method |
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ADMS |
Archived Data Management Subsystem (Intelligent Transportation Systems) |
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ADR |
Alternative Dispute Resolution |
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ADSC |
Administrative Service Center |
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ADT |
Average Daily Traffic |
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ADUS |
Archived Data User Service (Intelligent Transportation System) |
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AE |
Area Engineer |
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A&E |
Architectural and Engineering |
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AED |
Associated Equipment Distributors |
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AEM |
Acoustic Emission Monitoring |
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AEP |
Association of Environmental Professionals |
|
AFD |
Architecture Flow Diagram |
|
AFO |
Animal Feeding Operation |
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AFT |
American Farmland Trust |
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AGC |
Association of General Contractors |
|
AGT |
Automated Guideway Transit |
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AHAR |
Automatic Highway Advisory Radio |
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AHS |
Automated Highway System; or |
|
AI |
Artificial Intelligence; or |
|
AIA |
American Institute of Architects |
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AIAC |
American Indian Advisory Council |
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AI/E |
Architectural Inventory/Evaluation form
|
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AID |
Architecture Interconnect Diagram (Intelligent Transportation System) |
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AIHA |
American Industrial Health Association |
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AIMS |
Agency Information Management Strategy (Traffic Management System) |
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AIP |
American Institute of Planners |
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AIRS |
Aerometric Information Retrieval System |
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ALGOL |
Algebraic Oriented Language |
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ALOADS |
Automated Location and Design System |
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AL |
Acceptable Level; or |
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ALP |
Annual Leave Program |
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AM |
Amplitude Modulation; or |
|
AMBAG |
Association of Monterey County Bay Area Governments |
|
AMBER Alert |
America’s Missing: Broadcast Emergency Response |
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AMFA |
Alternative Motor Fuels Act |
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AMIS |
Automated Management Information System |
|
AMPS |
Advanced Mobile Phone System (Intelligent Transportation System) |
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ANPRM |
Advanced Notice of Proposed Rule Making |
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ANSI |
American National Standards Institute |
|
ANWR |
Arctic National Wildlife Refuge (Alaska) |
|
AO |
Agency Object |
|
AOA |
Activity-on-Arrow |
|
AON |
Activity-on-Node |
|
APA |
Asphalt Pavement Alliance |
|
APE |
Area of Potential Effect |
|
APCD |
Air Pollution Control District |
|
APDE |
Advance Project Development Element |
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APEC |
Automated Procedures for Engineering Consultants |
|
APEI |
Area of Potential Environmental Impact |
|
APHA |
American Public Health Association |
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APM |
Area Project Managers; or |
|
APN |
Assessor’s Parcel Number |
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ARRA |
Asphalt Recycling and Reclamation Association |
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APS |
Advance Planning Study; or |
|
APSEA |
Asian-Pacific State Employees Association |
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APT |
Accelerated Pavement Testing |
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APTA |
American Public Transit Association |
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APTS |
Advanced Public Transportation System (Intelligent Transportation System |
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APU |
Auxiliary Power Units |
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APWA |
American Public Works Association |
|
AQCP |
Air Quality Control Program |
|
AQCR |
Air Quality Control Region |
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AQI |
Air Quality Index |
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AQMA |
Air-Quality maintenance Area |
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AQMD |
Air Quality Management District |
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AQMP |
Air Quality Management Plan |
|
ARA |
Automatic Road Analyzer |
|
ARB |
Air Resources Board |
|
ARs |
Attainment Regulations |
|
AREA |
American Railway Engineering Association |
|
ARHM |
Asphalt-Rubber Hot Mix |
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ARHM-GG |
Asphalt-Rubber Hot Mix – Gap Graded |
|
ARM |
Air Resources Management |
| ARRA | 2009, American Recovery and Reinvestment Act |
|
ARTBA |
American Road and Transportation Builders Association |
|
ARTS |
Advanced Rural Transportation Systems |
|
AS |
Aggregate Subbase |
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ASAP |
As Soon As Possible |
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ASC |
Administrative Services Center; or |
|
ASCE |
American Society of Civil Engineers |
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ASCII |
American Standard Code of Informational Interchange |
|
ASF |
Automotive Safety Foundation |
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ASHRAE |
American Society of Heating, Refrigeration, and Air-Conditioning Engineers |
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ASI |
Acceleration and Severity Index |
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ASME |
American Society of Mechanical Engineers |
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ASNT |
American Society for Nondestructive Testing |
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ASPEN |
Automated Telephone Answering System |
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ASR |
Archaeological Survey Report; or |
|
ASRP |
Aluminum Spiral Rib Pipe |
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AST |
Acceptance Samples and Tests |
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ASTM |
American Society for Testing Materials |
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ATA |
American Trucking Association |
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ATAC |
Active Transportation Advisory Committee |
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ATIS |
Advanced Traveler Information Systems |
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ATMS |
Advanced Traffic Management Systems |
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ATP |
Active Transportation Program Plan |
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ATPB |
Asphalt Treated Permeable Base |
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ATSAC |
Automated Traffic Surveillance and Control System |
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ATSD |
Advanced Transportation System Development |
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ATSSA |
American Traffic Safety Services Association |
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ATV |
All-Terrain Vehicle |
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AU |
Animal Unit |
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AVA |
Abandoned Vehicle Abatement |
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AVCO |
Automatic Vehicle Control Systems |
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AVCS |
Advanced Vehicle Control Systems (Intelligent Transportation System) |
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AVI |
Automated Vehicle Identification |
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AVL |
Authorized Vehicle Lane; or |
|
AVO |
Automated Vehicle Operation (Intelligent Transportation System) |
|
AVR |
Average Vehicle Ridership |
|
AWRA |
American Water Resources Association |
|
AWS |
Alternate Work Schedule; or |
|
AWT |
Average Weekday Traffic |
|
AWWA |
American Water Works Association |
B |
|
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BAC |
Budget at Completion |
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BACM |
Best Available Control Measures |
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BACT |
Best Available Control Technology |
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BADT |
Best Available Demonstrated Technology |
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BAGR |
Bridge Approach Guard Rail |
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BALI |
Basic Arterial Local Intersection |
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BAMS |
Bid Analysis and Management System |
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BARM |
Basic Asphalt Recycling Manual |
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BART |
Bay Area Rapid Transit |
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BAS |
Bridge Approach Slab |
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BASS |
Black Advocates in State Service |
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BASIC |
Beginners All Purpose Symbolic Instruction Code |
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BAT |
Best Available Technology; or |
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BB |
Beginning of Bridge |
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BBS |
Bulletin Board System; or |
|
BC |
Beginning of Curve |
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BCA |
Benefit Cost Analysis |
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BCO |
Thin-Bonded Concrete Overlay |
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BCP |
Budget Change Proposal |
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BCR |
Begin Curb Return |
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BCT |
Breakaway Cable Terminal |
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BCWP |
Budgeted Cost of Work Performed |
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BCWS |
Budgeted Cost of Work Scheduled |
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BEA |
1990, Budget Enforcement Act |
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BEAR |
Broad Emergency Assistance Radio System |
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BEES |
Basic Engineering Estimating System |
|
BEP |
Business Enterprise Program |
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BER |
Bridge Evaluation Report |
|
BFRs |
Brominated Flame Retardants |
|
BHT |
Business, Housing, and Transportation Agency |
| BIA | Bureau of Indian Affairs; or Building Industry Association |
| BIOS | Basic Input/Operating System |
| BIR | Bridge Inspection Report |
| BIT | Binary Digit |
| BLA | Bicycle Lane Account program (State) |
| BLM | Bureau of Land Management |
| BMP | Best Management Practice |
| BMS | Bridge Management System |
| BNF | Backus-Naur Form (Intelligent Transportation System) |
| BNSF | Burlington Northern Santa Fe (Railroad) |
| BO | Budget Obligations; or Biological Opinion |
| BOD | Biochemical Oxygen Demand; or Biological Oxygen Demand |
| BOD5 | Biochemical Oxygen Demand |
| BSO | Building, Structures, and Obstruction report (Historic Properties Survey Report) |
| BP | Before Present; or Boiling Point |
| BPM | Beginning Post Mile. Zero at south or west County line. |
| BPR | Business Process Review; or Bureau of Public Roads |
| BRT | Bus Rapid Transit (Intelligent Transit System) |
| BSR | Beginning of Slope Rounding |
| BSW | Back of Sidewalk |
| BTA | Bicycle Transportation Account |
| BT&H | Business, Transportation, and Housing Authority |
| BTOS | Basic Traffic Operations System |
| BTS | Bureau of Transportation Statistics |
| BUN | Blood Urea Nitrogen |
| BVC | Begin Vertical Curve |
| BW | Barbed Wire |
| BWF | Barbed Wire Fence |
C |
|
| CAA | 1970, Federal Clean Air Act; or Cable Anchor Assembly |
| CAAA | 1990, Clean Air Act Amendment |
| CA | Contract Authority; or Certification Acceptance |
| CAATS | California Alliance for Advanced Transportation Systems |
| CAC | California Administrative Code; or Citizens Advisory Committee |
| CAD | Computer-Aided Drafting |
| CADD | Computer-Aided Drafting and Design |
| CAER | Community Awareness and Emergency Response |
| CAFO | Concentrated Animal Feedlot; or Consent Agreement/Final Order |
| CAG | Citizens Advisory Group |
| CAH | Controlled Access Highways |
| CALACT | California Association for Coordinated Transportation |
| CALCOG | California Association of Councils of Governments |
| CALTRANS | California Department of Transportation |
| CALUP | California Airport Land Use Plan |
| CASASFMRA | California Association of Farm Managers and Rural Assessors |
| CALNET | California Integrated Telecommunication System |
| Cal OES | California Office of Emergency Services |
| Cal/OSHA | California Office of Safety and Health Administration |
| CAM | Caltrans Administrative Manual; or Cooperative Agreement Manual |
| CAMP | Continuous Air Monitoring Program |
| CANDE | Culvert Analysis and Design |
| CAO | Corrective Action Order |
| CAP | Corrugated Aluminum Pipe; or Certification Acceptance Plan; or Corrective Action Plan; or Control Account Plan; or Cost Allocation Procedure; or Criteria Air Pollutant |
| CAPA | Corrugated Aluminum Pipe Arch |
| CAPM | Capital Preventative Maintenance |
| CAQP | Congestion and Air Quality Program |
| CAR | Caltrans Action Request; or Cooperative Agreement Report |
| CARB | California Air Resources Board |
| CARS | Caltrans Auxiliary Radio System |
| CAS | Construction Area Signs |
| CASAC | Clean Air Scientific Advisory Committee |
| CASE | Computer Aided Software Engineering; or Computer Aided Systems Engineering (Intelligent Transportation System) |
| CASP | California Aviation System Plan; or Corrugated Aluminized Steel Pipe |
| CAT EX | Categorical Exemption (State); or Categorical Exclusion (Federal) |
| CATIA | Clean Air and Transportation Improvement Act |
| CaTNAP | California Traffic Noise Analysis Protocol (http://env.dot.ca.gov/env/noise/index.htm |
| CATV | Cable Television |
| CB | Catch Basin; or Citizens Band |
| CBA | Cost Benefit Analysis |
| CBC | California Bicycle Coalition; or California Building Code |
| CBD | Central Business District |
| CBO | Congressional Budget Office |
| CBR | California Bearing Ratio |
| CBTP | Community Based Transportation Planning grants |
| CC | Construction Complete |
| CCA | California Coastal Act of 1976 |
| CCAA | California Clean Air Act |
| CCAPA | California Chapter of the American Planning Association |
| CCB | Change Control Board |
| CCC | California Coastal Commission; or California Conservation Corps |
| CCI | Construction Cost Index |
| CCIC | Central California Information Center |
| CCMP | Comprehensive Conservation and Management Plan |
| CCO | Contract Change Order |
| CCR | California Code of Regulations |
| CCROC | California Civil Rights Officers Council |
| CCS | California Coordinate System; sor Construction Control Survey |
| CCSFCC | City-County-State-Federal Cooperation Council |
| CCTV | Closed Circuit TV |
| CD | Contract Delegation (Purchase Order) |
| CDC | Centers for Disease Control |
| CDF | California Department of Forestry |
| CDBG | Community Development Block Grant |
| CDFG | California Department of Fish and Game |
| CDH | California Division of Highways |
| CDL | California Drivers License |
| CDMA | Code Division Multiple Access (Intelligent Transportation System) |
| CDPD | Cellular Digital Packet Data (Intelligent Transportation System) |
| CD(PO) | Contract Delegation (Purchase Order) |
| CE | Categorical Exclusion (National Environmental Policy Act); or Categorical Exemption (California Environmental Quality Act); or Construction Engineering |
| CEA | Career Executive Assignment (Appointment) |
| CEAC | County Engineers Association of California; or Caltrans Employment Advisory Committee |
| CEBC | Clean Energy Business Conference |
| CEC | California Energy Commission; or Caltrans Encroachment Committee |
| CELSOC | Consulting Engineers and Land Surveyors of California |
| CEMs | Continuous Emissions Monitors |
| CEP | Cumulative Exposure Project |
| CEQ | Council of Environmental Quality (Federal Agency) |
| CEQA | 1970, California Environmental Quality Act |
| CERCLA | Comprehensive Environmental Response, Compensation and and Liability Act |
| CERES | California Environmental Resources Evaluation System |
| CERF | Civil Engineering Research Foundation |
| CERL | Construction Engineering Research Laboratory |
| CESA | California Endangered Species Act |
| CEU | Continuing Education Unit |
| CFC | Cost of Facilities Capital; or Chlorofluorocarbons |
| CFDA | Catalogue of Federal Domestic Assistance http://aspe.os.dhhs.gov/cfda/index.htm#newsearch |
| CFM | Chlorofluoromethane |
| CFR | Code of Federal Regulations |
| CFRA | 1992, California Family Rights Act |
| CFRP | Carbon-Fiber Reinforced Plastic |
| CFS | Cubic Feet per Second |
| CFU | Colony Forming Unit (water quality) |
| C&G | Curb and Gutter |
| CGP | Construction General Permit (National Pollutant Discharge Elimination System) |
| CH4 | Methane |
| CHIN | California Highway Information Network 1-800-427-7623; 999; www.dot.ca.gov/hq/roadinfo |
| CHP | California Highway Patrol |
| CHSRA | California High Speed Rail Authority |
| CIA | Community Impact Assessment; |
| CIC | Critical Intersection Control |
| CIDH | Cast-In-Drilled Hole |
| CIMAC | Caltrans Improves Mobility Across California |
| CIP | Cold-In-Place (recycling of asphalt); or Cast-In-Place cast iron pipe; or Capital Improvement Program |
| CIPCP | Cast-In-Place Concrete Pipe |
| CIR | Council on Intergovernmental Relations |
| CIT | California Institute of Technology |
| CITAB | California Information Technology Advisory Board |
| CIU | Controller Interface Unit |
| CIWMB | California Integrated Waste Management Board |
| C&L | Certification and Licensing |
| CLAS | California Leave Accounting System |
| CLP | Continuous Learning Program |
| CLUP | Comprehensive Land Use Plan |
| CMA | Congestion Management Agencies |
| CMAQ | Congestion Mitigation and Air Quality |
| CMB | Concrete Median Barrier |
| CMC | Construction Metrication Council |
| CMP | Congestion Management Program/Plan; or Corridor Management Plan (Scenic Highways); or Corrugated Metal Pipe |
| CMS | Congestion Management System; or Changeable Message Signs |
| CMSA | Consolidated Metropolitan Statistical Area |
| CMV | Commercial Motor Vehicles |
| CNDDB | California Natural Diversity Data Base |
| CNG | Compressed Natural Gas |
| CNLM | Center for Natural Lands Management |
| CNPS | California Native Plant Society (data base) |
| CO | Carbon Monoxide |
| COB | Close of Business |
| COBOL | Common Business Oriented Language |
| COBRA | Consolidated Omnibus Reconciliation Act |
| COC | Citizens Oversight Committee |
| COCO | Contractor-Owned/Contractor-Operated |
| COD | Chemical Oxygen Demand |
| CODP | Career Opportunity Development Program |
| COE | Category of Expenditure (budgetary grouping); or US Army Corps of Engineers |
| COFPAES | Council on the Federal Procurement of Architectural and Engineering Services |
| COG | Council of Governments (Local, see Local Transportation Agency) |
| COH | Coefficient of Haze |
| COGO | Coordinate Geometry |
| COL | Collector (Urban) |
| COLT | City Operated Local Transit (Porterville) |
| Congestion | Reduced Speeds less that 35 MPH for longer than 15 minutes |
| COP | Capital Outlay Projects |
| CORBA | Common Object Request Broker Architecture (Intelligent Transportation System) |
| COS | Capital Outlay Support; or College of the Sequoias |
| COTR | Contracting Officer Technical Representative (Intelligent Transportation System) |
| COZEEP | Construction Zone Enhanced Enforcement Program/Patrol |
| CP | Capital Projects |
| CPC | Consolidated Planning Committee (Stanislaus Council of Governments) |
| CPF |
Combined Pay Factor |
| CPFF | Cost Plus Fixed Fee |
| CPH | California Permit Handbook |
| CPI | Cost Performance Index |
| CPIF | Cost Plus Incentive Fee |
| CPM | Critical Path Method |
| CPMC | Capital Projects Management Council |
| CPR | Cardio-Pulmonary Resuscitation |
| CPRC | California Public Resources Code |
| CPSD | Capital Project Skill Development |
| CPU | Central Processing Unit |
| CPUC | California Public Utilities Commission |
| CRAC | Cold Recycled AC |
| CRAP | Construction Records and Procedures |
| CRB | Contract Review Board |
| CRCP | Continuously Reinforced Concrete Pavement |
| CRDA | Cooperative Research and Development Agreement |
| CRHP | California Register of Historic Places |
| CRIP | Cost Reduction Incentive Proposal |
| CRLF | California Red Legged Frog |
| CRP | Conservation Reserve Program; or Combined Road Plans |
| CRSI | Concrete Reinforcing Steel Institute |
| CRT | Cathode Ray Tube |
| CRV | California Redemption Value |
| CSAC | California State Association of Counties; or California Supervisors Association of California |
| CSD | Context Sensitive Design |
| CCSEA | California State Employees Association |
| CSHC | California Streets & Highways Code |
| CSI | Common Sense Initiative; or Compliance Sampling Inspection |
| CSIP | Corridor Safety Improvement Program |
| CSO | Combined Sewer Overflow |
| CSP | Corrugated Steel Pipe; or Communication Service Provider (Intelligent Transportation System) |
| CSPA | Corrugated Steel Pine Arch |
| CSRC | California Special Reference Center (Global Positioning Technologies) |
| CSS | Context Sensitive Solutions |
| CSTI | California Specialized Training Institute |
| CSUS | California State University, Stanislaus/Sacramento |
| CSWC | Construction Storm Water Coordinator |
| CT | Caltrans; or, Census Tract |
| CTAA | Community Transportation Association of America |
| CTAP | Cooperative Training Assistance Program (Federal) |
| CTB | Cement Treated Base |
| CTC | California Transportation Commission |
| CTE | Center for Transportation and the Environment |
| CTO | Compensatory Time Off |
| CTP | California Transportation Plan |
| CTIFS | California Transportation Infrastructure Funding System |
| CTIPS | California Transportation Improvement Plan System |
| CTE | Center for Transportation and the Environment |
| CTO | Compensatory Time Off |
| CTP | California Transportation Plan |
| CTIFS | California Transportation Infrastructure Funding System |
| CTIPS | California Transportation Improvement Plan System |
| CTIS | California Transportation Investment Strategy |
| CTPB | Cement Treated Permeable Base |
| CTR | California Toxics Rule |
| C-TRIS | California Transportation Research Information System (UCB) |
| CTS | Commuter Transportation Services |
| CTSA | Coordinated Service Transportation Agency |
| CUF | Commercially Useful Function (Disadvantaged Business Enterprise) |
| CV | Cost Variance |
| CVAS | Commercial Vehicle Administration Subsystem (Intelligent Transportation System) |
| CVCS | Commercial Vehicle Check Subsystem (Intelligent Transportation System) |
| CVHAS | Cooperative Vehicle-Highway Automation Systems |
| CVISN | Commercial Vehicle Information Systems and Networks (Intelligent Transportation System) |
| CVO | Commercial Vehicle Operations (Intelligent Transportation System) |
| CVS | Commercial Vehicle Subsystem (Intelligent Transportation System) |
| CWA | Clean Water Act |
| CWD | Corridor Wide Display System (Intelligent Transportation System) |
| CWNS | Clean Water Needs Survey |
| CY | Calendar Year |
| CYA | California Youth Authority |
| CZMA | Coastal Zone Management Act |
| CZARA | Coastal Zone Act Reauthorization Amendments |
D |
|
| DAB | Digital Audio Broadcast (Intelligent Transportation System) |
| DAC | Disability Advisory Council |
| DAF | Damage Assessment Form |
| DAMP | Drainage Analysis and Modeling Program |
| DAR | Defense Access Roads |
| DART | Dinuba Area Regional Transit |
| DARTS | Dynamic Arterial Responsive Traffic Signal System |
| DAT | Diagnostic Acceptance Testing |
| DATCOM | Director's Advisory Team for Communication |
| DBA | Doing Business As; or Decibels "A" Scale |
| DBE | Disadvantaged Business Enterprise |
| DBELO | Disadvantaged Business Enterprise Liaison Officer |
| DBMS | Data Base Management System |
| D/C | Demand Capacity ratio |
| DCIU | Discrimination Complaint Investigation Unit |
| DCP | Dynamic Cone Penetrometer |
| DCS | Data Collection System |
| DCU | Discrimination Complaint Unit |
| DD | District Director, Data Dictionary (Intelligent Transportation System) |
| DDC | District Division Chief |
| DDD | Deputy District Director |
| DDE | Data Dictionary Element (Intelligent Transportation System) |
| DDT | Dichlorodiphenyltrichloroethane |
| DEB | District Environmental Branch |
| DED | Draft Environmental Document |
| DEIR | Draft Environmental Impact Report (California Environmental Quality Act) |
| DEIS | Draft Environmental Impact Statement (National Environmental Policy Act) |
| DEN | Data Exchange Network (Intelligent Transportation System) |
| DES |
Division of Engineering Services; or |
| DF | Douglas Fir |
| DFD | Data Flow Diagram (Intelligent Transportation System) |
| DfE | Design for the Environment |
| DFEH | Department of Fair Employment and Housing (California) |
| DFG | Department of Fish and Game (California) |
| DGAC | Dense Graded Asphalt Concrete |
| DGAC(R) | Dense Graded Asphalt Concrete (Rubberized) |
| DGPS | Differential Global Positioning System (Intelligent Transportation System) |
| DGS | Department of General Services |
| DHS | Department of Health Services |
| DHHS | Department of Health and Human Services (Federal) |
| DHV | Design Hourly Volume |
| DI | Drainage Inlet |
| DIB | Design Information Bulletin |
| DIB 82 | The Pedestrian Accessibility Guidelines for Highway Projects |
| DIP | Diamond Interchange Program |
| DLAE | District Local Assistance Engineer |
| DLR | Detection Limit for Reporting (water quality) |
| DMBB | Double Metal Beam Barrier |
| DME | District Materials Engineer |
| DMR | Discharge Monitoring Report |
| DMS | Dynamic Message Sign (Intelligent Transportation System) |
| DMT | Division of Mass Transportation |
| DMV | Department of Motor Vehicles |
| DND | Draft Negative Declaration |
| DOA | Division of Aeronautics; or Division of Accounting |
| DOC | Department of Commerce (Federal) |
| DOD | Department of Defense |
| DOE | Department of Energy; or District Office Engineer |
| DOF | Department of Finance |
| DOJ | Department of Justice (Federal) |
| DOL | Department of Labor (Federal) |
| DLA | Division of Local Assistance (Formerly Office of Local Programs) |
| DOL FOH | Department of Labor Field Operations Handbook (Federal) |
| DOS | Division of Structures; or Disk Operating System |
| DOT | Department of Transportation |
| DOTP | Division of Transportation Planning |
| DPA | Department of Personnel Administration |
| DPI | Dots Per Inch |
| DPR | Department of Parks and Recreation |
| DRB | Dispute Review Board |
| DRI | Division of Research and Renovation |
| DRIM | Draft Relocation Impact Memo |
| DRIS | Draft Relocation Impact Study/Statement |
| DROA | Departmental Restriction of Appointments |
| DSA | Division of the State Architect; or Disturbed Soil Area |
| DSB | Donor State Bonus funds |
| DSC | Division of Structure Construction |
| DSI | Detailed Site Investigation |
| DSMP | District System Management Plan |
| DSRC | Dedicated Short Range Communications (Intelligent Transportation System) |
| DST | Daylight Savings time |
| DSWC | District Storm Water Coordinator |
| DTA | Dynamic Traffic Assignment (Intelligent Transportation System) |
| DTAC | Departmental Transportation Advisory Committee |
| DTBB | Double Thrie Beam Barrier |
| DTIM | Direct Travel Impact Model |
| DTM | Digital Terrain Modeling |
| DTR | Director's Tracking Report |
| DVAC | District Value Analysis Coordinator |
| DVBE | Disadvantaged Veteran Business Enterprise |
| DWEL | Drinking Water Equivalent Level |
| DWNS | Drinking Water Needs Survey |
| DWR | Department of Water Resources |
| DWS | Drinking Water Standard |
E |
|
| EA | Expenditure Authorization; or Endangerment Assessment; or Enforcement Agreement; or Environmental Action; or Environmental Assessment; or Environmental Audit |
| EAC | Estimate at Completion |
| EAP | Employee Assistance Program; or Environmental Action Plan |
| EAR | Employee Action Report |
| EBL | Eligible Bridge List |
| EC | Environmental Coordinator; or End Horizontal Curve; or End Curve |
| ECPA | Electronic Communications Privacy Act (Intelligent Transportation System) |
| ECR | Engineering Cost Reporting System; or End of Curb Return |
| ED | Environmental Document |
| EDA | Employee Development Appraisal; or Environmental Document Approved |
| EDAPTS | Efficient Development of Advanced Public Transportation Systems |
| EDI | Electronic Data Interchange (Intelligent Transportation System) |
| EDM | Electronic Distance Measuring |
| EDP | Electronic Data Processing; or Early Deployment Plan (Intelligent Transportation System) |
| EDW | Effluent-Dominated Water |
| EEG | Electroencephalogram |
| EEM | Environmental Enhancement and Mitigation Program (California) |
| EEO | Equal Employment Opportunity |
| EEOC | Equal Employment Opportunity Commission |
| EEZ | Exclusive Economic Zone |
| EF | Early Finish |
| EFH | Essential Fish Habitat |
| EFT | Electronic Fund Transfer |
| EIR | Environmental Impact Report (California Environmental Quality Act) |
| EIS | Environmental Impact Statement (National Environmental Policy Act) |
| EIT | Engineer-in-Training |
| EJ | Environmental Justice |
| EKG | Electrocardiogram |
| ELI | Element Level Inspection (bridges) |
| EMC | Event Mean Concentration (storm runoff); or Emergency Management Center (Intelligent Transportation System) |
| EMFAC | Emissions Factors Model |
| EMMS | Emissions Management Subsystem (Intelligent Transportation System) |
| EMS | Extinguishable Message Signs; or Equipment Management Systems |
| EO | Equal Opportunity; or Executive Order |
| EOC | Emergency Operations Center |
| EOG | Education and Outreach Group |
| EOS | Equivalent Opening Size (Geotextile Fabric); or Edge of Shoulder |
| E&P | Environmental and Permit |
| EPA | Environmental Protection Agency |
| EPCRA | Emergency Planning and Community Right-to-Know Act |
| EPI | Economic Policy Institute |
| EPL | Excluded Partial List (Disadvantaged Business Enterprise) |
| EPM | Ending Post Mile |
| EPROM | Erasable Programmable Read-Only Memory |
| ER | Emergency Relief (Federal) |
| ERC | Emergency Resource Center |
| ERISA | Employee Retirement Income Security |
| ERNS | Emergency Response Notification System |
| ERPP | Ecosystem Restoration Program Plan (CALFED) |
| ES | Early Start |
| ESA | Endangered Species Act; or Environmentally Sensitive Area |
| ESAL | Equivalent Single Axle Load, 80 kN |
| ESC | Engineering Services Center |
| ESMR | Enhanced Specialized Mobile Radio (Intelligent Transportation System) |
| ESP | Enhanced Services Program |
| ESR | End of Slope rounding |
| ESU | Evolutionary Significant Unit |
| ET | Earliest Time of Completion |
| ETC | Estimate to Complete; or Electronic Toll Collection (Intelligent Transportation System) |
| ETBE | Ethyl Tertiary Butyl Ether |
| ETS | Emergency Telephone Services (Intelligent Transportation System) |
| ETTM | Electronic Toll Collection and Traffic Management |
| ETW | Edge of Traveled Way |
| EV | Earned Value |
| EVC | End Vertical Curve |
| EWRI | Environmental and Water Resources Institute (American Society of Civil Engineers) |
| EXPEAR | Expert System Pavement Evaluation and Rehabilitation |
| E-76 | Authorization to Proceed Summary Form |
F |
|
| FAA | Federal Aviation Administration |
| FACTS | Flexible Advanced Computer Traffic Signal System |
| FADS | Federal Aid Data System |
| FAE | Federal-Aid Eligibility Code |
| FAHP | Federal Aid Highway Program |
| FAI | Federal Aid Interstate |
| FAP | Federal Aid Primary |
| FAPG | Federal Aid Policy Guide |
| FAQ | Frequently Asked Questions |
| FAR | Federal Acquisition Regulations |
| FARA | Federal Acquisition Reform Act |
| FARES | First American Real Estate Solutions |
| FARS | Fatal Accident Reporting System (Intelligent Transportation System) |
| FAS | Federal Aid Secondary Funding |
| FAU | Federal Aide Urban Funding |
| F&C | Frame and Cover |
| F&G | Frame and Grate |
| FCAA | Federal Acquisition Reform Act |
| FCRTA | Fresno County Rural Transit Agency |
| FCWA | Federal Clean Water Act |
| FCR | Flexible Congestion Relief program (State, discontinued) |
| FDR | Full Depth Reclamation (of pavement) |
| FE | Fund Estimate; or Fugitive Emissions |
| FEBBS | Federal Electronic Bulletin Board System |
| FED | Final Environmental Document (Environmental Impact Statement, Negative Declaration, or Finding of No Significant Impact) |
| FEHA | Fair Employment and Housing Act (California) |
| FEIN | Federal Employer Identification Number |
| FEIR | Final Environmental Impact Report (California Environmental Quality Act) |
| FEIS | Final Environmental Impact Statement (National Environmental Policy Act) |
| FEMA | Federal Emergency Management Agency |
| FERC | Federal Energy Regulatory Commission |
| FES | Flared End Section |
| FESA | Federal Endangered Species Act |
| FF | Free Float; or Finish to Finish |
| FFA | Future Farmers of America |
| FFGA | Full Funding Grant Agreements |
| FFP | Firm Fixed Price |
| FFS | Fee For Service health plan |
| FFY | Federal Fiscal Year (October 1 through September 30) |
| FHLMC | Federal Home Loan Mortgage Corporation (Freddie Mac) |
| FHPM | Federal Aid Highway Program Manual |
| FHWA | Federal Highway Administration |
| FICA | Federal Insurance Contributions Act |
| FIF | Final Inspection Form |
| FIP | Federal Implementation Plan |
| FIPS | Federal Information Processing Standard (Intelligent Transportation System) |
| FIR | Federal Indian Reservation |
| FIRM | Federal Insurance Rate Maps (Flood Plains) |
| F/L | Finance Letter |
| FLEP | Forest Land Enhancement Program (US Forest Service) |
| FLHD | Federal Land Highway Division |
| FLHP | Federal Lands Highway Program |
| FLSA | Fair Labor Standards Act |
| FM | Function Manager |
| FMC | Freeway Management Center (Intelligent Transportation System |
| FMCS | Fleet Management and Control Systems |
| FMCSA | Federal Motor Carrier Safety Administration |
| FMIS | Federal Management Information System |
| FMLA | Family and Medical Leave Act of 1993 |
| FMMP | Farmland Mapping and Monitoring Program |
| FMP | Fishery Management Plan; or File Maker Pro |
| FMS | Fleet Management Subsystem (Intelligent Transportation System) |
| FMU | Forest Management Unit |
| FMVSS | Federal Motor Vehicle Safety Standards |
| FNMA | Federal National Mortgage Association ("Fannie Mae") |
| FNM-76 | Form to Federal Management Information System |
| FO | Functionally Obsolete (bridge) |
| FOE | Finding of Effect; or Friends of the Earth |
| FOI | Freedom of Information |
| FOIA | Freedom of Information Act |
| FONSI | Finding of No Significant Impact (National Environmental Policy Act) |
| FOT | Field Operational Test (Intelligent Transportation System) |
| FPA | Fair Practices Act (subletting and subcontracting) |
| FPIF | Fixed Price Incentive Fee |
| FPN | Federal Project Number (Federal Aid Data System) |
| FPPA | Farmland Protection Policy Act 1984 |
| FPPP | Facility Pollution Prevention Plans |
| FPR | Final Program Review |
| FR | Federal Register |
| FRA | Federal Railroad Administration |
| FRIS | Final Relocation Assistance Statement |
| FRM | Federal Reference Method; or Final Rule Making |
| FRO | Federal Resources Offices |
| FRP | Fiber Reinforced Polymer |
| F-SHRP | Future Strategic Highway Research Program |
| FSOR | Final Statement of Reasons |
| FS | Finish to Start |
| FSA | Flexible Spending Account Health Plan |
| SFHCC | Fast Setting Hydraulic Cement Concrete |
| FSP | Freeway Service Patrol |
| FSR | Feasibility Study Report; or Financial Study Report |
| FSTIP | Federal Statewide Transportation Improvement Program |
| FTA | Federal Transit Administration |
| FTB | Franchise Tax Board |
| FTE | Focused Training Evaluation; or Full-Time Employee |
| FTIP | Federal Transportation Improvement Program |
| FTP | File Transfer Protocol; or Federal Test Procedures |
| FU | Functional Unit |
| FVMSS | Federal Motor Vehicle Safety Standards |
| FWD | Falling Weight Deflectometer |
| FWPCA | Federal Water Pollution Control Act |
| FWS | Fish and Wildlife Service (Federal) |
| FY | Fiscal Year |
G |
|
| GAAP | Generally Accepted Accounting Principles |
| GAO | General Accounting Office |
| GAR | Governor's Action Request |
| GARVEE | Grant Anticipation Revenue Vehicle Bonds |
| GASB 34 | Governmental Accounting Standards Board statement 34 |
| GATS | General Agreement on Trade in Services |
| GDP | Gross Domestic Product |
| GE | Gravel Equivalent |
| GEP | Good Engineering Practice |
| GERT | Graphical Evaluation and Review Technique |
| Gf | Gravel Factor |
| GFE | Good Faith Effort |
| GHSA | Governors Highway Safety Association |
| GHSR | Governor's Highway Safety Representative |
| GIS | Geographic Information Systems |
| GNMA | Government National Mortgage Association ("Ginnie Mae") |
| GOGO | Government-Owned/Government-Operated |
| GPS | Global Positioning System |
| GRAS | Generally Recognized as Safe |
| GR | Guard Rail |
| GRH | Guaranteed Ride Home |
| GSA | General Services Administration |
| GUI | Graphical User Inerface |
| GVW | Gross Vehicle Weight |
| GVWR | Gross Vehicle Weight Rating |
H |
|
| HA | Health Advisory |
| H&T | Hub and Tack |
| HABR | Historic American Building Record |
| HABS | Historic American Buildings Survey |
| HAER | Historic American Engineering Record |
| HAP | Hazardous Air Pollutant |
| HAPPS | Hazardous Air Pollution Prioritization System |
| HAR | Highway Advisory Radio |
| HASR | Historic Architecture Survey Report |
| HAZMAT | Hazardous Materials |
| HAZOPS | Hazardous Operations |
| HB&M | Humboldt Base and Meridian |
| HBO | Health Benefits Office |
| HBRR | Highway Bridge Rehabilitation and Replacement (Federal) |
| HCD | California Housing and Community Development Department |
| HCM | Highway Capacity Manual |
| HCP | Habitat Conservation Plan |
| HCS | Hazard Communication Standard |
| HDD | Horizontal Directional Drilling |
| HDM | Caltrans Highway Design Manual |
| HDPE | High Density Polyethylene |
| HEDTL | Harmer E Davis Transportation Library |
| HEEP | Health and Environmental Effects Profile |
| HEPA | Highly Efficient Particulate Air (Filter) |
| HERS-ST | Highway Economic Requirements System-State Version Software |
| HES | Hazard Elimination Safety Program (Federal) |
| HFC | Hydrofluorocarbon |
| HHS | US Department of Health and Human Services |
| HI | Height of Instrument (surveying) |
| HIC | Highway Interchange Center |
| HMA | Hot Mix Asphalt |
| HMO | Health Maintenance Organization |
| HMP | Hydromodification Management Plan; or Hazard Mitigation Plan |
| HMS | Highway Maintenance System |
| HMTA | Hazardous Materials Transportation Act |
| HMWM | High Molecular Weight Methacrylate |
| HOV | High Occupancy Vehicle |
| HP | Horse Power |
| HPC | High Performance Concrete (also Ultra High Performance Concrete) |
| HPMS | Highway Performance Monitoring System |
| HP&R | Highway Planning and research |
| HPS | High Performance Steel |
| HPSR | Historic Properties Survey Report |
| HR | Human Resource |
| HRAC | Hot Recycled AC |
| HRER | Historic Resource Evaluation Report |
| HRI | Highway Rail Intersection |
| HRNA | Human Development Recovery Needs Assessments |
| HRIS | Highway Research Information Service; or Human Resources Information System |
| HSDB | Hazardous Substance Data Base |
| HSIS | Highway Safety Information System |
| HSNS | Highway System of National Significance |
| HSP | Highway Safety Plan |
| HSPF | Heating Season Performance Factor |
| HSOPP | Highway Systems Operations and Protection Plan |
| HSR | High Speed Rail; or Historic Survey Report |
| HSRI | Highway Safety Research Institute |
| HTF | Highway Trust Fund |
| HTIMS | Highway Technology Information Management System |
| HTML | Hypertext Markup Language |
| HTTP | Hypertext Transport Protocol |
| HUD | Housing and Urban Development; or Head Up Display (Intelligent Transportation System) |
| HUTA | Highway User Tax Account |
| HVAC | Heating, Ventilation, and Air-Conditioning System |
| HWMP | Hazardous Waste Management Plan |
I |
|
| IAST | Independent Assurance Sampling and Testing |
| IBRC | Innovative Bridge Research and Construction Program (Federal Highway Administration - Transportation Enhancement Act 21) |
| IBTC | International Border Trade Corridor |
| ICAS | Internet Contract Administration System |
| ICES | Intermodal Corridors of Economic Significance |
| I/D | Incentive/Disincentive |
| IDL | Interface Definition Language (Intelligent Transportation System) |
| IDP | Individual Development Plan |
| IEEE | The Institute of Electrical and Electronic Engineers |
| IEN | Information Exchange Network (Intelligent Transportation System) |
| IFB | Invitation for Bid |
| IGR | Inter-Governmental Review |
| IHSDM | Interactive Highway Safety Design Model |
| I/I | Infiltration and Inflow |
| IIP | Inter-Regional Improvement Program |
| ILD | Inductive Loop Detector |
| IMMS | Integrated Maintenance Management System |
| IMPC | Integrated Plant Management and Control |
| IMPROVE | Interagency Monitoring of Protected Environments |
| IMS | Intermodal Facilities and Systems Management System |
| ILV/hr | Intersecting Lane Vehicles per hour |
| IP | Internet Protocol; or Implementation Package |
| IPA | Information Practices Act |
| IPG | Interagency Planning Group |
| IRIS | Integrated Risk Information System |
| IRP | Interregional Partnership (Stanislaus Council of Governments) |
| IRR | Intercity Rail; or Indian Reservation Roads |
| IRRS | Interregional Route System; or Interregional Road System Plan |
| IRS | Internal Revenue Service |
| IRVM | Integrated Roadside Vegetation management |
| IRWA | International Right of Way Association |
| IS | Information Services; or Initial Study |
| ISA | Initial Site Assessment |
| ISC | Indirect Source Control |
| ISEA | International Safety Equipment Association |
| ISO | International Standards Organization http://www.iso.ch/iso/en/isoonling.frontpage |
| ISP | Information Service Provider |
| ISR | Indirect Source Review |
| ISSC | Information Systems Service Center |
| ISTEA | Intermodal Surface Transportation Efficiency Act |
| IT | Information Technology |
| ITA | Intertribal Transportation Association |
| ITE | Institute of Transportation Engineers |
| ITS | Intelligent Transportation System |
| ITS America | Intelligent Transportation Society of America http://www.itsa.org |
| ITSP | Interregional Transportation Strategic Plan |
| ITI | Intelligent Transportation Infrastructure |
| ITII | International Technical Information Institute |
| ITIP | Interregional Transportation Improvement Program |
| ITMS | Integrated Traffic Management System; or Intermodal Transportation Management System |
| ITS | Intelligent Transportation Systems; or Institute of Transportation Studies |
| ITSP | Interregional Transportation Strategic Plan |
| IUOE | International Union of Operating Engineers |
| IVHS | Intelligent Vehicle-Highway Systems (Now Intelligent Transportation System) |
| IVI | Intelligent Vehicle Initiative |
| IVIS | In Vehicle Information System (Intelligent Transportation System) |
J |
|
| JB | Junction Box |
| JCL | Job Control Language |
| JCP | Jointed Concrete Pavement |
| JP | Joint Pole |
| JPA | Joint Powers Agreement |
| JPCP | Jointed Plain Concrete Pavement |
| JRCP | Jointed Reinforced Concrete |
| JS | Junction Structure |
| JUA | Joint Use Agreement |
K |
|
| KBES | Knowledge Based Expert System |
| KSA | Knowledge, Skills, and Abilities |
L |
|
| LA | Local Agency |
| LAAPS | Local Agency Automated Pay System |
| LACMTA | Los Angeles County Metropolitan Transportation Authority |
| LACTC | Los Angeles County Transportation Commission |
| LAFCO | Local Agency Formation Committee |
| LAMBRA | Local Agency Military Base Recovery Area |
| LAN | Local Area Network |
| LAP | Local Assistance Program |
| LAPG | Local Assistance Program Guidelines |
| LAPM | Local Assistance Procedures Manual |
| LARTS | Los Angeles Regional Transportation Study |
| LASC | Landscape Architecture Standards Committee |
| LCA | Least Cost Alternate |
| LCB | Lean Concrete Base |
| LCC | Local Coastal Commission; or League of California Cities; or Life Cycle Cost |
| LCCA | Life Cycle Cost Analysis |
| LCD | Liquid Crystal Display |
| LCFS | Low Carbon Fuel Standard |
| LCO | Labor Compliance Officer; or, Local Capital Outlay projects |
| LCP | Local Coastal Plan |
| LCS | Lane Control Sign |
| LCTOP | Low Carbon Transit Operations Program |
| LDAP | Lightweight Directory Access Protocol |
| LDPE | Low Density Polyethylene |
| LDS | Labor Distribution System |
| LEAD | Local Equivalent Area Drainage Method |
| LED | Light Emitting Diode |
| LEDPA | Least Environmentally Damaging Practicable Alternative |
| LEL | Lowest Explosive Level |
| LEM | Location Efficient Mortgage (See Transit Oriented Development) |
| LEO | Low-Earth Orbit Satellite System |
| LEP | Limited English Proficiency |
| LESS | Least Cost Estimating and Scheduling System |
| LF | Late Finish; or, Linear Foot |
| LIBOR | London InterBank Offered Rate |
| LIM | Land Inventory and Monitoring System (Soil Conservation Service) |
| LIP | Local Intersection Program |
| LJAC | Local Jurisdiction Advisory Committee |
| LLP | Limited Liability Partnership |
| LNG | Liquefied Natural Gas |
| LOC | Local |
| LOE | Level of Effort |
| LOL | Layout Line |
| LOP | Letter of Permission |
| LOS | Level of Service |
| LPA | Local Programs Accounting |
| LPAMS | Local Programs Accounting Management System |
| LPG | Liquid Petroleum Gas |
| LPP | Local Programs Procedures |
| LPP# | Local Programs Procedure Number |
| LRDC | Labor Relations Decision Council |
| LRFD | Load and Resistant Factor Design |
| LRH | Last Resort Housing |
| LRMS | Location Reference Messaging Standard (Intelligent Transportation System) |
| LROP | Long Range Operations Plan |
| LRT | Light Rail Transit |
| LS | Lump Sum; or Late Start; or Land Surveyor |
| LSSRP | Local Seismic Safety Retrofit Program |
| LSTP | Local Surface Transportation Plan |
| LSUM | Linear Synchronous Unipolar Motor |
| LT | Limited Term |
| L&T | Lead and Tack (surveying) |
| LTA | Local Transportation Authority |
| LTAP | Local Technical Assistance Program |
| LTC | Local Transportation Commission |
| LTEC | Least Total Expected Cost to the public design |
| LTF | Local Transportation Fund |
| LTMA | Lightweight Truck Mounted Attenuator |
| LTPP | Long-Term Pavement Performance |
| LTS | Lime Treated Sub-base |
| LUICE | Land Use Inventory Contingency and Edit |
| LUST | Leaking Underground Storage Tank |
| LVDT | Linear Variable Differential Transformers |
| LVR | Low Volume Road |
M |
|
| MA | Master Agreement; or, Minimum Allocation funds; or, Minor Arterial |
| MACT | Maximum Achievable Control Technology |
| MADT | Monthly Average Daily Trips |
| MAGLEV | Magnetic Levitation Transportation Technology Deployment Programs |
| MAIT | Multidisciplinary Accident Investigation Team |
| MAN | Metropolitan Area Network (Intelligent Transportation System) |
| MAP-21 | Moving Ahead for Progress in the 21st Century |
| MAP | Million Annual Passengers; or Multiple Alternative Planning |
| MAR | Material Adjustment Report |
| MATES | Materials and Technology Engineering and Science |
| MB | Metal Beam; or, Megabytes |
| MBB | Metal Beam Barrier |
| MBE | Minority Business Enterprise |
| MBGR | Median Barrier Guard Rail |
| MBO | Management by Objectives |
| MC | Medium Curing |
| MCAG | Merced County Association of Governments |
| MCD | Minor Civil Division |
| MCE | Maximum Credible Earthquake |
| MCEDC | Merced City Economic Development Corporation |
| MCFC | Molten Carbonate Fuel Cell |
| MCL | Maximum Contaminant Level |
| MCLG | Maximum Contaminant Level Goal (water quality) |
| MCM | Minimum Control Measures (water quality) |
| MCP | Municipal Compliance Plan |
| MCSAP | Motor Carrier Safety Assistance Program |
| MDB&M | Mount Diablo Base and Meridian (surveying) |
| MDI | Model Deployment Initiative (Intelligent Transportation System) |
| MEA | Master Environmental Assessment |
| MEP | Minority Engineering Programs; or Maximum Extent Practicable (water quality) |
| MERS | Maintenance Employees' Reporting System |
| MESO | Maintenance Employee Safety Orientation |
| META | Maintenance Equipment Training Academy |
| METS | Materials Engineering and Testing Services |
| MG | Minimum Guarantee funds |
| MID | Modesto Irrigation District |
| MIME | Multipurpose Internet Mail Extension |
| MIS | Management Information Systems; or Major Investment Study |
| MITMT | Major Incident Traffic Management Team |
| MJC | Major Collector (rural); or Modesto Junior College |
| MLRA | Major Land Resources Area |
| MMANC | Municipal Management Association of Northern California |
| MMI | Man-Machine Interface (Intelligent Transportation System) |
| MMSI | Maintenance Management System Improvement |
| MNC | Minor Collector (rural) |
| MOA | Memorandum of Agreement |
| MODEM | Modulator/Demodulator (conversion of binary to analog signal for phones) |
| MOE | Measure of Effectiveness |
| MOS | Metal-Oxide Semiconductor; or Margin of Safety |
| MOST | Methodology for Optimizing Signal Timing |
| MOU | Memorandum of Understanding |
| MPGR | Metal Plate Guard Railing |
| MPO | Metropolitan Planning Organization |
| MPU | Micro Processing Unit |
| MSA | Maintenance Superintendents Association; or Merit Salary Adjustment; or, Metropolitan Statistical Area; or Management System Activities |
| MSAHP | Medical Savings Account Health Plan |
| MS-DOS | MicroSoft-Disk Operating System |
| MSDS | Manufacturers Safety Data Sheet |
| MSE | Mechanically Stabilized Earth Retaining |
| MS4 | Municipal Separate Storm Sewer System |
| MSL | Maintenance Service Level; or Mean Sea Level |
| MSW | Municipal Solid Waste |
| MT | Mass Transit |
| MTA | Mass Transit Account |
| MTC | Metropolitan Transportation Commission (Bay Area) |
| MTD | Memo To Designers |
| MTDB | Metropolitan Transit Development Board (San Diego) |
| MTMC | Military Traffic Management Command |
| MTP | Mass Transportation System; or Metropolitan Transportation Plan |
| MUTCD | Manual of Uniform Traffic Control Devices |
| MVMA | Motor Vehicle Manufacturers Association |
| MWBE | Minority Women-Owned Business Enterprise |
N |
|
| NA | National Architecture (Intelligent Transportation System) |
| NAA | Non-Attainment Area |
| NAAQS | National Ambient Air Quality Standards |
| NACE | National Association of Corrosion Engineers; or National Association of County Engineers |
| NACG | National Association of County Governments |
| NAC | National Association of Counties |
| NACTO | The National Association of City Transportation Officials |
| NAD | North American Datum (surveying) |
| NAE | No Adverse Effect; or National Academy of Engineering |
| NAER | National Architectural and Engineering Record |
| NAFTA | North American Free Trade Agreement |
| NAGPRA | 1990, Native American Graves Protection and Repatriation Act |
| NAHC | Native American Heritage Commission |
| NAHSC | National Automated Highway System Consortium |
| NAICS | North American Industrial Classification System |
| NALEO | National Association of Latino Elected and Appointed Officials |
| NAMS | National Air Monitoring Stations |
| NAP | Non-attainment Area Plan |
| NAPA | National Academy for Public Assistance; or National Asphalt Paving Association; or National Automobile Parts Association |
| NAR | National Architecture Review (Intelligent Transportation System) |
| NARC | National Association of Regional Councils |
| NARD | Numerical Analysis of Roadside Design |
| NARSTO | North American Research Strategy for Tropospheric Ozone |
| NAS | National Academy of Sciences |
| NASA | National Aeronautics and Space Administration |
| NASR | Negative Archeological Survey Report |
| NASS | National Accident Sampling System |
| NATTC | National Association of Transportation Technology Transfer Centers |
| NAV | Navigation |
| NAWCA | North American Wetlands Conservation Act |
| NB | Northbound |
| NBI | National Bridge Inventory |
| NBIS | National Bridge Inspection Standards |
| NBS | National Bureau of Standards |
| NBSSR | Noise Barrier Scope Study/Summary Report (sound wall projects) |
| NCAC | National Crash Analysis Center |
| NCAPA | Northern California Asphalt Producers Association |
| NCAT | Northern California Asphalt Producers Association |
| NCCER | National Council for Civil Engineering Research |
| NCEER | National Center for Earthquake Engineering Research |
| NCHRP | National Cooperative Highway Research Program |
| NCPP | National Center for Pavement Preservation |
| NCSL | National Conference of State Legislatures |
| ND | Negative Declaration; or None Detected (water quality) |
| NDAA | Natural Disaster Assistance Act |
| NDI | Non-Industrial Disability Insurance |
| NDSP | National Dam Safety Program |
| NDT | Non-Destructive Testing |
| NE | No Effect |
| NEAR | National Emergency Aid Radio |
| NEDS | National Emissions Data System |
| NEEP | National Experimental and Evaluation Program |
| NEHRP | National Earthquake Hazards Reduction Program |
| NEIS | National Environmental Information Service |
| NEMA | National Electrical Manufacturers Association |
| NEPA | 1969, National Environmental Policy Act |
| NES/BA | Natural Environmental Survey/Biological Assessment |
| NESHAP | National Emission Standards for Hazardous Air Pollutants |
| NET | National Emissions Trends Inventory |
| NFIP | National Flood Insurance Program |
| NFPA | National Fire Prevention Association |
| NGS | National Geodetic Survey |
| NGVD | National Geodetic Vertical Datum |
| NHI | National Highway Institute |
| NHPA | 1966, National Historic Preservation Act |
| NHPN | National Highway Planning Network |
| NHS | National Highway System |
| NHSB | National Highway Safety Bureau |
| NHTSA | National Highway Traffic Safety Administration |
| NIA | National ITS (Intelligent Transportation System) Architecture |
| NICET | National Institute for Certification in Engineering Technologies |
| NIH | National Institutes of Health |
| NII | National Information Infrastructure (Intelligent Transportation System) |
| NNIOSH | National Institute for Occupational Safety and Health |
| NIPC | National Infrastructure Protection Center (Federal Bureau of Investigation) |
| NIST | National Institute of Standards and Technology |
| NLAA | Not Likely to Adversely Effect |
| NLT COB | No Later Than Close of Business |
| NMCSP | National Motor Carrier Safety Program |
| NMFS | National Marine Fisheries Service |
| NMSL | National maximum Speed Limit |
| NO | Nitrous Oxide |
| NOA | Naturally Occurring Asbestos; or Notice of Arrival; or Notice of Availability |
| NOAA | National Oceanic and Atmospheric Administration |
| NOAEL | No Observed Adverse Effect Level |
| NOEL | No Observable Effect Level |
| NOC | Notice of Construction |
| NOCC | Notice of Construction Completion |
| NOD | Notice of Determination (California Environmental Quality Act project approval) |
| NOI | Notice of Intent |
| NOL | Naval Ordinance Laboratory |
| NOP | Notice of Preparation |
| NOPR | Notice of Proposed Rulemaking |
| NOS | National Oceanic Survey; or Not Otherwise Specified |
| NOT | Notice of Termination |
| N2O | Nitrous Oxide |
| NOx | Nitrogen Oxides |
| NORM | Naturally Occurring Radioactive Material |
| NPDES | National Pollutant Discharge Elimination System |
| NPHQ | National Partnership for Highway Quality |
| NPRM | Notice of Proposed Rule Making |
| NPS | National Park Service; or Non-Point Source |
| NRC | National Research Council |
| NRCS |
Natural Resources Conservation Service (Formerly Soil Conservation Services) |
| NRCP | Non Reinforced Concrete Pip |
| NRDC | National Resources Defense Council |
| NRHP | National Register of Historic Places |
| NRI | National Resources Inventory |
| NRVMA | National Roadside vegetative Management Association |
| NS | Non-Regulatory Supplement |
| NSF | National Science Foundation |
| NSIS | National Safety Information Systems |
| NSPE | National Society of Professional Engineers |
| NTCIP | National Transportation Communications for ITS (Intelligent Transportation System) Protocol |
| NTI | National Transit Institute; or National Toxics Inventory |
| NTIS | National Technical Information Service |
| NTN | National Truck Network |
| NTP | Notice to Proceed; or National Transportation Policy; or National Toxicology Program |
| NTPAW | National Transportation Public Affairs Workshop |
| NTR | New Technology and Research |
| NTSB | National Transportation Safety Board |
| NTU | Nephelometric Turbidity Units |
| NURP | Nationwide Urban Runoff Program |
| NWI | National Wetland Inventory |
| NWP | Nation Wide Permit |
O |
|
| OA | Obligation Authority (Federal) |
| OAQPS | Office of Air Quality Planning and Standards (Federal) |
| OBM | Office of Business Management |
| OBS | Organization Breakdown Structure |
| OBRA90 | Omnibus Budget Reconciliation Act of 1990 |
| OC | Over-Crossing |
| OCP | Office of Community Planning |
| OCTA | Orange County Transportation Authority |
| O&D Survey | Origin and Destination |
| O&M | Operation and Maintenance |
| OE | Office Engineer; or Operating Expense |
| OEA | Office of External Audits; or Office of Energy Assessments; or Office of Environmental Analysis |
| OECA | Office of Enforcement and Compliance Assurance (Federal) |
| OEM | Original Equipment Manufacturer |
| OES | Office of Emergency Services |
| OFCCP | Office of Federal Contract Compliance Programs |
| OGAC | Open Graded Asphalt Concrete |
| OGAC(R) | Open Graded Asphalt Concrete (Rubberized) |
| OH | Overhead |
| OHP | Office of Historic Preservation (California) |
| OHWM | Ordinary High Water Mark |
| OIG | Office of the Inspector General |
| OIP | Order of Immediate Possession |
| OJT/SS | On The Job Training/Supportive Services |
| OLP | Office of Local Programs |
| OJT | On The Job Training |
| OMB | Office of Management and Budget |
| OPA | Other Principal Arterial |
| OPEC | Organization of Petroleum Exporting Countries |
| OPO | Office of Personnel Operations |
| OPPD | Office Project Planning and Design |
| OPPTS | Office of Prevention, Pesticides, and Toxic Substances (Federal) |
| OPR | Office of Planning and Research (State) |
| ORC | Organizational Review Committee |
| ORCP | Oval Reinforced Concrete Pipe |
| OREA | Office of Real Estate Appraisers |
| OSC | Office of Structure Construction |
| OSHA | Occupational Safety and Health Administration (Federal) |
| OSI | Open Systems Interconnection (Intelligent Transportation System) |
| OSM&I | Office of Structures and Maintenance Inspection |
| O3 | Ozone |
| OST | Office of the Secretary of Transportation; or Out of State Travel |
| OT | Overtime |
| OTI | Office of Traffic Improvement |
| OTP | Operational Test Plan (Intelligent Transportation System) |
| OTS | Office of Traffic Safety |
| OWM | Office of Wastewater Management (Federal) |
| OWP | Overall Work Plan/Program |
P |
|
| P2 | Pollution Prevention |
| P3 | Primavera Project Planner |
| P4 | Pollution Prevention Permitting Project |
| P&P | Park-And-Ride |
| PABS | Programming and Budgeting System |
| PAC | Policy Advisory Committee |
| PACT | Program Accountability in Caltrans |
| PADP | Ports Access Demonstration Project |
| PA&ED | Project Approval & Environmental Document |
| PAI | Principal Arterial Interstate |
| PAMS | Photochemical Assessment Monitoring Stations |
| PA/SI | Preliminary Assessment/Site Investigation |
| PAP | Perforated Aluminum Pipe |
| PAQSD | Primary Air Quality Standards |
| PAR |
Personnel Action Request; or |
| PARF | Position Action Request Form |
| PASSER II | Progression Analysis and Signal System Evaluation Routine |
| PATH | Partners for Advanced Transportation and Highways |
| PAYT | Pay As You Throw |
| PB | Paint Binder; or Pull Box |
| Pb | Lead |
| PBA | Performance Based Asphalt |
| PBDEs | Polybrominated Diphenyl Ethers (See Brominated Flame Retardants) |
| PBMS | Performance Based Measurements Systems |
| PBO | Programmatic Biological Opinion |
| PBX | Private Branch Exchange |
| PC | Program Coordinator; or Prime Coat; or Party Chief; or Personal Computer |
| PCA | Portland Cement Association |
| PCBs | Polychlorinated Biphenyls |
| PCC | Point of Compound Curvature; or Portland Cement Concrete |
| PCCP | Portland Cement Concrete Pavement; or Pre-stressed Concrete Cylinder Pipe |
| PCE | Programmatic Categorical Exclusion (National Environmental Policy Act); or Perchloroethylene |
| PCEPH | Passenger Car Equivalents Per Hour |
| PCI | Paint Condition Index; or Precast/Prestressed Concrete Institute |
| PCi/L | Pico Curies per Liter (water quality, radioactivity) |
| PCP | Primary Care Physician |
| PCS | Personal Communications System |
| PCSD | President's Council on Sustainable Development |
| PCR | Project Change Request |
| PCS | Project Control Survey; or Permit Compliance System |
| PCVC | Point of Compound Vertical Curve |
| PD | Project Development |
| PDA | Personal Digital Assistant |
| Portable Document Format | |
| PDH | Professional Development Hour |
| PDM | Probabilistic Dilution Model; or Precedence Diagramming Method |
| PDO | Property Damage Only |
| PDPM | Project Development Procedures Manual |
| PDRC | Pavement Design and Rehabilitation Committee |
| PDS | Project Development Support |
| PDT | Project Development Team |
| PE | Preliminary Engineering; or Polyethylene; or Professional Engineer; or Project Engineer |
| PEAR | Preliminary Environmental Assessment Report |
| PECG | Professional Engineers in California Government |
| PEDP | Professional Engineer Development Program |
| PEER | Permit Engineering Evaluation Report |
| PeMS | Performance Measurement System |
| PERMIS | Personnel Employee Records for the Management Information System |
| Permit 106 | Review Process for the National Historic Preservation Act |
| Permit 1601 | A streambed alteration agreement for US Department of Fish and Game |
| Permit 4(f) | Use of parkland permit |
| 404 Permit | Issued by US Army Corps of Engineers |
| Permit 7 | Re: Endangered Species Act |
| PERS | Public Employee Retirement System |
| PERT | Project Evaluation and Review Technique |
| PES | Preliminary Environmental Study |
| PET | Project Estimating Tool |
| PF | Planned Finish date; or Pay Factor |
| PFCs | Perfluorinated Carbons |
| PFT | Permanent Full Time |
| PG&E | Pacific Gas and Electric |
| PHG | Public Health Goal (water quality, California Environmental Policy Act) |
| PHS | US Public Health Service |
| PI | Permanent Intermittent |
| PIA | Project ITS (Intelligent Transportation System) Architecture |
| PIAS | Personal Information Access Subsystems (Intelligent Transportation System) |
| PKm | Post Kilometer |
| PLH | Public Land Highway (Federal) |
| PI | Permanent Intermittent (Civil Service Appointment); or Preliminary Investigation; or, Point of Intersection |
| PIB | Personnel Information Bulletin |
| PIC | Private Industry Council |
| PID | Project Initiation Document |
| PIER | Post-Implementation Evaluation Report |
| PIMS | Personnel Information Management System |
| PIN | Personal Identification Number; or Priority Index Number |
| PIO | Public Information Officer |
| PIP | Payroll Input Process; or Project Initiation Proposal |
| PISA | Project Information System and Analysis/Administration |
| PK | Parker-Kalan Nail |
| P/L | Property Line |
| PL | Project Level Assessment |
| PLA | Project Labor Agreement |
| PLP | Personal Leave Program |
| PLUM | Projected Land Use Model |
| PM2.5 | Particulate Matter <2.5 microns in size |
| PM10 | Particulate Matter <10 microns in size |
| PM | Project Manager; or Post Mile; or Preventative Maintenance; or Particulate Matter |
| PMBOK | Project Management Body of Knowledge |
| PMCS | Project Management Control System |
| PMDW | Project Management Data Warehouse |
| PMI | Project Management Institute |
| PMP | Perforated Metal Pipe; or Project Management Professional |
| PMPM | Project management Procedures manual |
| PMR | Position Management Report |
| PMS | Pavement Management System; or Parking Management System (Intelligent Transportation System) |
| PMSU | Project Management Support Unit |
| PM-10 | Particulate Matter 10 microns or smaller |
| PN | Paving Notch |
| PO | Purchase Order |
| POC | Pedestrian Over-Crossing; or Point on (horizontal) Curve |
| POE | Port of Entry |
| POGO | Privately-Owned/Government-Operated |
| POM | Particulate Organic Matter; or Polycyclic Organic Matter |
| POP | Post Office Protocol; or Purpose of Project |
| POS | Point of Service health plan |
| POT | Point on Tangent |
| POVC | Point on Vertical Curve |
| P&P | Policy and Procedure |
| PPB | Parts Per Billion |
| PPC | Plastic Pipe Culvert |
| PPDG | Project Planning and Design Guide |
| PPE | Personal Protective Equipment |
| PPIC | Public Policy Institute of California |
| PPM | Planning, Programming, and Monitoring; or Policies and Procedures Memorandum; or Parts Per Million |
| PPNO | Planning and Programming Number |
| PPO | Preferred Provider Organization |
| PPT | Permanent Part-Time; or Parts Per Trillion |
| PQS | Professionally Qualified Staff |
| PR | Project Report |
| P&R | Park and Ride |
| PRC | Point of Reversing Curve |
| Prop 116 | State bicycle program |
| PRF | Pavement Reinforcing Fabric |
| PRISM | Performance and Registration Information System Management |
| PRS | Performance Related Specifications |
| PRSM | Project Resources and Schedule Management |
| PRVC | Point of Reverse Vertical Curve |
| PS | Planned Start Date |
| PSA | Program Supplemental Agreement; or Precursor System Architecture (Intelligent Transportation System) |
| PSCS | Project Schedule and Control System |
| PSDP | Planning Staff Development Program |
| PSI | Preliminary Site Investigation; or Pounds Per Square Inch; or Pollutant Standards Index |
| PSIG | Pressure Per Square Inch Gauge |
| PSM | Point Source Monitoring |
| PSP | Pedestrian Safety Program; or Perforated Steel Pipe |
| PSR | Project Study Report for State Transportation Improvement Projects (STIP) |
| PSS | Personnel Services Specialist |
| PSSR |
Project Scoping Summary Report for State Highway Operations and Protections Program (SHOPP) projects |
| PSTIP | Proposed State Transportation Improvement Program |
| PSTN | Public Switched Telephone Network |
| PTA | Public Transportation Account |
| PTMS | Public Transportation Management System |
| PTMISEA | Public Transportation Modernization, Improvement, and Service Enhancement Account |
| P2P TCD | Peer-To-Peer program on Traffic Control Devices (Federal Highway Administration) |
| PTS | Positive Train Separation (Intelligent Transportation System) |
| PUC | Public Utilities Commission |
| PVC | Polyvinyl Chloride |
| PVEA | Petroleum Violation Escrow Account |
| PY | Person-Year (1758-1800 hours) |
| PYE | Person Year Equivalent |
| PYPSCAN | Person Year Project Scheduling and Cost Analysis |
Q |
|
| QAP | Quality Assurance Program; or Qualification Appraisal Panel |
| QA/QC | Quality Assurance/Quality Control |
| QBS | Qualification Based Selection |
| QCIP | Quality and Continuous Improvement Program |
| QCRP | Quality Control Review Process |
| QIP | Quality Improvement Plan |
| QoS | Quality of Service |
R |
|
| RA | Reasonable Alternative; or Regulatory Alternatives; or Regulatory Analysis; or Remedial Action; or Resource Allocation; or Risk Analysis; or Risk Assessment |
| RABA | Revenue Aligned Budget Authority |
| RAC | Rubberized Asphalt Concrete; or Research Advisory Committee |
| RACM | Reasonable Available Control Measures (air quality) |
| RAD | Rapid Application Development; or Radiation Adsorbed Dose |
| RAM | Responsibility Assignment Matrix |
| RAN | Revenue Anticipation Note |
| RAO | Regional Administrative Officer |
| RAP | Relocation Assistance Program/Payments; or Reclaimed Asphalt Pavement |
| RAPID | Rural Agency Project Implementation District |
| RATP | Regional Active Transportation Plan |
| RAQS | Regional Air Quality Strategy |
| RAS | Regional Arterial System |
| RAW | Revenue Anticipation Warrant |
| RBS | Resource Breakdown Structure |
| RCA | Recycled Concrete Aggregate |
| RCM | Reliability Centered Maintenance |
| RCP | Reinforced Concrete Pipe |
| RCR | Route Concept Report |
| RCRA | Resource Conservation and Recovery Act |
| R&D | Remove and Dispose |
| RDO | Regular Day Off |
| RDP | Route Development Plan |
| RDNA | Recombinant DNA |
| RDS | Radio Data Systems (Intelligent Transportation System) |
| R&S | Remove and Salvage |
| RE | Resident Engineer |
| REMOVE | Reduced Motor Vehicle Emissions Program |
| REVISIT | RBS (Resource Breakdown Structure) Evaluation, Verification, Integration, and Support Improvement Team |
| RFA | Request For Authorization |
| RFB | Request For Bid |
| RFG | Reformulated Gasoline |
| RFP | Request for Proposal |
| RFQ | Request for Qualifications; or Request for Quotation |
| RFS | Richmond Field Station (UCB) |
| RHNA | Regional Housing Needs Assessment |
| RIA | Regulatory Impact Analysis; or Regional ITS (Intelligent Transportation System) Architecture |
| RICO | Racketeer Influenced and Corrupt Organizations Act |
| RIFA | Red Imported Fire Ant |
| RIP | Regional Improvement Plan |
| RLF | Red Legged Frog |
| RM | Risk Management |
| RMP | Regional Mobility Plan |
| ROD | Record of Decision |
| ROE | Report of Expenditures |
| ROG | Reactive Organic Gases |
| ROW | Right Of Way |
| RRC | Rural Residential Center |
| RRR | Resurfacing (overlay), Restoration (to original condition), Rehabilitation (upper guardrail, widen shoulders) |
| R/S | Resource/Schedule |
| RSP | Roadway Safety Program (American Traffic Safety Services Association) |
| RSPA | Research and Special Programs Administration |
| RSTP | Regional Surface Transportation Program |
| RTIF | Regional Transportation Impact Fee |
| RTIP | Regional Transportation Improvement Program |
| RTL | Ready To List |
| RTP | Regional Transportation Plan |
| RTPA | Regional Transportation Planning Agency |
| RTS | Remote Traveler Support Subsystem (Intelligent Transportation System) |
| RSTP | Regional Surface Transportation Program |
| RWQCB | Regional Water Quality Control Board |
S |
|
| SAAMP | Special Area Aquatic Management Plan |
| SAB | Seismic Advisory Board |
| SACOG | Sacramento Area Council of Governments |
| SADBU | Small and Disadvantaged Business utilization |
| SAE | Society of Automotive Engineers |
| SAFEs | Service Authorities for Freeway Emergencies |
| SAFETEA | 2003, Safe, Accountable, Flexible, and Efficient Transportation Equity Act |
| SAIN | Substance Abuse Information Network |
| SAM | State Administrative Manual |
| SAME | Society of American Military Engineers |
| SAMI | Stress-Absorbing Membrane Interlayer |
| SANBAG | San Bernardino Associated Governments |
| SANDAG | San Diego Association of Governments |
| SAP | Sampling and Analysis Plan |
| SAPA | State Asphalt Paving Associations |
| SAVE | Society of American Value Engineers |
| SB | Senate Bill |
| SBB&M | San Bernardino Base and Meridian (surveying) |
| SB45 | 1997, state increase of authority of Regional Transportation Planning Agencies |
| SBS | Sick Building Syndrome |
| SC | Slow Curing; or, Start Construction |
| SCADA | Supervisory Control and Data Acquisitions |
| SCAG | Southern California Association of Governments |
| SCANDI | Surveillance Control and Driver Information System |
| SCBT | Segmental Concrete Bridge Technology |
| SCC | Self-Consolidating Concrete |
| SCE | Southern California Edison |
| SCEDCO | Stanislaus County Economic Development Corporation |
| SCFM | Standard Cubic Feet Per Minute |
| SCH | State Clearing House |
| SCO | State Controllers Office |
| SCOH | Standing Committee on Highways |
| SCR | State Controllers Report |
| SCS | Soil Conservation Service (Now Natural Resources Conservation Service) |
| SCSP | Storm and Combined Sewer Program |
| SD | Structurally Deficient (bridge); or Standard Deviation |
| SDC | Seismic Design Criteria |
| SDO | Standards Development Organization |
| SDP | Strategic Deployment Plan |
| SDWA | Safe Drinking Water Act |
| SEA | Systems Engineering Analysis |
| SEAC | Sulfur Extended Asphalt Concrete |
| SEC | US Securities and Exchange Commission |
| SEP | Special Emphasis Program; or Special Experimental Project |
| SER | Standard Environmental Reference http://www.dot.ca.gov/ser/ |
| SF | Scheduled Finish Date; or Start-To-Finish; or Standard Form; or Superfund |
| SFOBB |
San Francisco-Oakland Bay Bridge |
| SFP | Single Focal Point |
| S&H | Streets and Highways Code |
| SHA | State Highway Account; or State Highway Agency |
| SHBSB | State Historic Building Safety Board |
| SHELL | Subsystem of Highways for the Movement of Extralegal Permit Loads |
| SHOPP | State Highway Operation and Protection Program |
| SHRP | State Highway Research Program |
| SHS | State Highway System |
| SHPO | State Historic Preservation Officer |
| SHRC | State Historical Resources Commission |
| SHWL | Seasonal High Water Level |
| SI | International System of Units |
| SI&A | Structure Inventory and Appraisal |
| SIB | State Infrastructure Bank |
| SIC | Standard Industrial Classification; or Standard Industry Code |
| SIG | Special Interest Group |
| SIGOP | Signal Optimization |
| SIMS | Sign Inventory management System |
| SIP | State Implementation Plan (air quality) |
| SISA | Special In-Grade Salary Adjustment |
| SJCOG | San Joaquin Council of Governments |
| SJHTC | San Joaquin Hills Transportation Corridor |
| SJVAPCD | San Joaquin Valley Air Pollution Control District |
| SLA | Structures Local Assistance |
| SLAE | Structure Local Assistance Engineer |
| SLAMS | State and Local Air Monitoring Stations |
| SLC | State Land Commission |
| SLD | Sea Level Datum |
| SLIP | Serial Line Internet Protocol |
| SLPDP | State and Local Project Development Program |
| SLTC | Soluble Threshold Limit Concentration (State) |
| SMARA | Surface Mining and Reclamation Act (State) |
| SMART | Structure Maintenance Automatic Report Transmittal System |
| SMBB | Single Metal Beam Barrier |
| SMR | Specialized Mobile Radio |
| SMS | Highway Safety Management System |
| SMSA | Standard Metropolitan Statistical Area |
| SMTP | Simple Mail Transfer Protocol |
| SNAP | Sonic Nap Alert Pattern (rumble strip) |
| SNC | Significant Noncompliance |
| SNMP | Simple Network Management Protocol (Intelligent Transportation System) |
| SO | Sulfur Dioxide |
| SOAP | Signal Operations Analysis Package |
| SOC | Synthetic Organic Chemicals |
| SOF | State Only Funding |
| SOFC | Solid Oxide Fuel Cell (See Auxiliary Power Units) |
| SONET | Synchronous Optical Network (Intelligent Transportation System) |
| SOQ | Statement of Qualifications |
| SOV | Single Occupancy Vehicle |
| SOW | Statement of Work |
| SO2 | Sulfur Dioxide |
| SOx | Sulfur Oxides |
| SPB | State Personnel Board |
| SPE | Start Preliminary Engineering |
| SPI | Schedule Performance Index |
| SP&R |
State Planning and Research |
| SR2S | Safe Routes To Schools program |
| SPMIT | Statewide Project Management Improvement Team |
| SPRR | Southern Pacific Railroad |
| SQL | Standard Query Language |
| SR | Sufficiency Rating (bridge); or State Route |
| SRF | State Revolving Fund (Clean Water Act) |
| SROA | State Restriction of Appointments |
| SRP | Secondary Road Plans |
| SRT | Slotted Rail Terminal |
| SRTP | Short Range Transit Plans |
| SS | Scheduled Start Date; or Start to Start |
| SSE | Separate State Estimate |
| SSA | Sole Source Aquifer |
| SSB | Scope, Schedule, and Budget |
| SSAMBN | Such Sums As May Be Necessary |
| SSES | Sewer System Evaluation Survey |
| SSO | Sanitary Sewer Overflow |
| SSPP | Structural Steel Plate Pipe |
| SSPs | Standard Special Provisions |
| SSR | Standard Speed Rail |
| SSTAC | Social Service Transportation Advisory Council |
| STA | State Transit Assistance; or, State Transportation Agency |
| STAA | 1982, Surface Transportation Assistance Act |
| STANCOG | Stanislaus Council of Governments |
| STAPPA | State And Territorial Air Pollution Program Administrators |
| STBB | Single Thrie Beam Barrier |
| STC | State Training Center |
| STD | State Transportation Department |
| STE | State Transportation Enhancement |
| STEL | Short-Term Exposure Limit |
| STIP | State Transportation Improvement Program |
| STA | State Transit Assistance |
| STC | State Training Center |
| STMF | Simple Transportation Management Framework (Intelligent Transportation System) |
| STMP | Simple Transportation Management Protocol (Intelligent Transportation System) |
| STO | Smart Testing Operations |
| STP | Surface Transportation Program (Federal) |
| STPP | Surface Transportation Policy Project |
| STPL | Surface Transportation Program (Local) |
| STRAHNET | Strategic Highways Network |
| STRUDL | Structural Design Language |
| STURAA | 1987, Surface Transportation and Uniform Relocation Assistance Act |
| SU | Source Unit |
| SUDP | Specific Urban Development Plan |
| SULEV | Super Ultra Low Emission Vehicles |
| SUSMP | Standard Urban Storm water Mitigation Plan |
| SV | Schedule Variance |
| SW | Side Walk; or, Storm Water |
| SWDR | Storm Water Data Report |
| SWITRS | Statewide Integrated Traffic Records System |
| SWLF | Solid Waste Landfill |
| SWMP | Storm Water Management Plan |
| SWMU | Solid Waste Management Unit |
| SWPPP | Storm Water Pollution Prevention Plan |
| SWQAG | Storm Water Quality Assessment Guide |
| SWRCB | State Water Resources Control Board |
| SWTF | Storm Water Task Force |
| SYSOP | Systems Operator |
T |
|
| T2 | Technology Transfer |
| TA | Technical Advisory |
| TAC | Technical Advisory Committee |
| TAC/ALC | Technical Advisory Committee for Agricultural Land Conservation |
| TAG | Technical Advisory Group |
| TAM | Transportation Asset Management (Federal Highway Administration) |
| TAS | Toll Administration Subsystem |
| TAR | Tribal Authority Rule |
| TASAS | Traffic Accident Surveillance and Analysis System |
| TAT | Tire Anchor Timber Wall |
| TAU | Temporary Authorization Appointment |
| TAZ | Transportation Analysis Zone |
| TB | Top of Bank |
| TBB | Thrie Beam Barrier |
| TBC | Top Back of Curb |
| TC | Top of Curb |
| TCA | Transportation Corridor Agency |
| TCAG | Tulare County Association of Governments |
| TCAT | Tulare County Area Transit |
| TCB | Traffic Control Box |
| TCCC | Transportation Curriculum Coordination Council (Federal Highway Administration) |
| TCDD | Dioxin (Tetrachlorodibenzo-p-dioxin) |
| TCDH | Traffic Control Devices Handbook |
| TCE | Trichloroethylene |
| TCI | Transit Capital Improvement program |
| TCIP | Transit Communications Interface Profiles (Intelligent Transportation System) |
| TCLP | Toxicity Characteristic Leaching Procedure (Federal) |
| TCM | Transportation Control Measure |
| TCP | Traffic Control Plan |
| TCP/IP | Transmission Control Protocol/Internet Protocol |
| TCR | Transportation Concept Report; or Transportation Corridor Report |
| TCRA | Traffic Congestion Relief Act |
| TCRF | Traffic Congestion Relief Fund |
| TCRP | Transportation Congestion Relief Program; or Transit Cooperative Research Program |
| TCS | Transportation Control Strategy; or Traffic Controller Synchronizer; or Traffic Control Systems; or Transportation Corridor Study; or Toll Collection Subsystem |
| T&D | Training and Development |
| TDA | 1971, Transportation Development Act |
| TDD | Telecommunications Device for the Deaf |
| TDIP | Technology Deployment Initiatives and Partnerships |
| TDM | Transportation Demand Management; or Travel Demand Management |
| TDMA | Time Division Multiple Access (Intelligent Transportation System) |
| TDP | Transportation Development Plan; or Tons Per Day (air quality) |
| TDT | Transportation Data Template |
| TDS | Total Dissolved Solids |
| TE | Transportation Engineer |
| T&E | Threatened and Endangered (species) |
| TEA | Transportation Enhancement Act/Activities program (Federal) |
| TEC | Travel Expense Claim; or Total Escalated Cost |
| TEA-21 | Transportation Equity Act for the 21st Century (Federal) |
| TeNS | Technical Noise Supplement http://env.dot.ca.gov/env/noise/index.htm |
| TERO | Tribal Employment Rights Office or Ordinances |
| TF | Total Float; or Target Finish date |
| TFHRC | Turner-Fairbank Highway Research Center |
| TFMTAC | Transportation Forecasting Model Technical Advisory Committee |
| THC | Total Hydrocarbons |
| THM | Trihalomethanes |
| TI | Traffic Index; or Temporary Intermittent |
| TIC | Technical Information Center |
| TID | Turlock Irrigation District |
| TIE | Toxicity Identification Evaluation |
| TIES | Total Integrated Engineering System |
| TIF | Transportation Investment Fund; or Truck Inspection Facility |
| TIFIA | Transportation Infrastructure Finance and Innovation Act |
| TIGER | Topologically Integrated Geographic Encoding Referencing System |
| TIP | Transportation Improvement Program |
| TIS | Travelers Information System |
| TIME | Tulare Intermodal Express (Tulare Transit) |
| TISP | The Infrastructure Security Partnership |
| T&L | Time and Labor |
| TL | Transportation Laboratory |
| TLI | Terrain Line Interpolation |
| TLV | Threshold Limit Value |
| TMA | Transportation Management Association/Area |
| TMC | Transportation management Center; or Traffic Management Center |
| TMCC | Truck-Mounted Crash Cushion |
| TMDD | Traffic Management Data Dictionary (Intelligent Transportation System) |
| TMDL | Total Maximum Daily Load/Limit |
| TMIP | Travel Model Improvement Program |
| TMP | Transportation management Plan |
| TMS | Traffic Management/Monitoring/Maintenance System/Subsystem |
| TNT | Trinitrotoluene |
| TOC | Traffic Operations Center; or Total Organic Carbon |
| TOD | Transit Oriented Development |
| TOMIS | Traffic Operations Management Information Service |
| TON | Threshold of Odor Number (water quality) |
| TOPICS | Traffic Operations Program to Improve Capacity and Safety |
| TOPSS | Transportation Operations and Project Support System |
| TOS | Traffic Operations System |
| TOT/MVM | Total Accidents per Million Vehicle Miles |
| TP | Turning Point (surveying) |
| TPB | Treated Permeable Base |
| TPC | Technical Planning Committee |
| TP&D | Transportation Planning and Development account |
| TPL |
Truck Passing Lane |
| TPM | Transportation Planning Manual |
| TQM | Total Quality Management |
| TRAMS | Transportation Accounting and Management System |
| TRAQ | Transportation Air Quality Center |
| TRARR | Traffic on Rural Roads |
| TRB | Transportation Research Board (formerly Highway Research Board) |
| TRIP | The Road Information Program |
| TRIS | Transportation Research Information System; or Toxic Release Inventory System |
| TRMC | Transit Management Center |
| TRMS | Transit Management Subsystem |
| TRRL | Transportation Road Research Laboratory |
| TRS | Time Reporting System |
| TRSP | Traffic-Responsive Plan |
| TRT | Technical Review Team; or Transportation Research Thesaurus |
| TRVS | Transit Vehicle Subsystem (Intelligent Transportation System) |
| TSC | Transportation Systems Center |
| TSCA | Toxic Substances Control Act |
| TSDP | Transportation System Development Plan |
| TSDF | Treatment, Storage, and Disposal Facilities |
| TSIP | Transportation Systems Information Program |
| TSM | Transportation System Management program (state) |
| TSN | Transportation System Network |
| TSO | Time-Share Operation |
| TSPP | Total Suspended Particulates; or Traffic Synchronization Projects |
| TSS | Total Suspended Solids |
| TSSDRA | Transit System Safety, Security, and Disaster Response Account |
| TSSS | Total Station Survey System |
| TTHM | Total Trihalomethane |
| TTLC | Total Threshold Limit Concentration |
| TTIA | 1995, Technology Transfer Improvements Act |
| TTN | Technology Transfer Network |
| TTP | Technology Transfer Program |
| TTY | Teletype |
| TVOC | Total Volatile Organic Compounds |
| TVOC | Total Volatile Organic Compounds |
| TWLTL | Two Way Left Turn Lane |
U |
|
| UA | Urbanized Area |
| UAA | Use Attainability Analysis (water quality) |
| UAM | Urban Air-shed Model |
| UAQI | Uniform Air Quality Index |
| UART | Universal Asynchronous Transmitter Receivers |
| UC | Under-Crossing |
| UCITS | University of California Institute of Transportation Studies |
| UCP | Unified Certification Program (Disadvantaged Business Enterprise) |
| UCS | Unconfined Compressive Strength |
| UFAS | Uniform Federal Accessibility Standards |
| UG | Underground |
| UGB | Urban Growth Boundaries |
| UHPC | Ultra High Performance Concrete |
| UIT | Ultrasonic Impact Treatment |
| UITP | International Union of Public Transport |
| ULEV | Ultra Low Emission Vehicles |
| UMRA | Unfunded Mandates Reform Act |
| UMTA | Urban Mass Transit Agency/Administration |
| UNESCO | United Nations Educational, Scientific, and Cultural Organization |
| UNPARs | Unprogram Project Approval Requests |
| UP | Underpass |
| URISA | Urban and Regional Information Systems Association |
| URL | Universal Resource Locator; or Universal Reader Language |
| UROAD | Urban Mass Transportation Agency |
| USA | Underground Service Alert |
| USC | United States Code; or Unified Soil Classification |
| USC&GS | United States Coast and Geodetic Survey |
| USCE | United States Corps of Engineers (Army) |
| USCG | United States Coast Guard |
| USDA | US Department of Agriculture |
| USFS | US Forest Service |
| USFWS | United States Fish and Wildlife Service |
| USGS | United States Geological Survey |
| USM | Urban Simulation Model |
| USPLS | United States Public Land Surveys |
| USR | User Service Requirement |
| UST | Underground Storage Tank |
| USTIP | Updated State Transportation Improvement Program |
| USTR | United States Trade Representative |
| UTC | Ultimate Transportation Corridor |
| UTCS | Urban Traffic Control System |
| UTPS | Urban Transportation Planning System |
| UUA | Use Attainability Analysis |
| UV | Ultraviolet |
| UZA | Urbanized Area |
V |
|
| VA | Value Analysis |
| VC | Vertical Curve |
| V/C | Volume/Capacity ratio |
| VCM | Vertical Control Monumentation |
| VDT | Video Display Terminal |
| VE | Value Engineering |
| VECP | Value Engineering Change Proposal |
| VELB | Valley Elderberry Longhorn Beetle |
| VEP | Value Engineering Proposal |
| VFC | Vehicle Fuel Consumption |
| VGA | Virtual Graphics Array |
| VHT | Vehicle-Hours of Travel |
| VISTA | Video Information System Training Association, Inc. |
| VKT | Vehicle Kilometers Traveled |
| VMS | Variable Message Sign |
| VMT | Vehicle Miles Traveled |
| VOC | Volatile Organic Compounds; or Volume and Occupancy Control/Constant |
| VOS | Vehicle Operating Survey |
| VRC | Vehicle/Roadside Communications (Intelligent Transportation System) |
W |
|
| WADS | Wide Area Detection Systems |
| WAN | Wide Area Network |
| WASHTO | Western Association of State Highway and Transportation Officials |
| WBE | Woman-owned Business Enterprise |
| WBS | Work Breakdown Structure |
| WC | Worker's Compensation |
| WCC | Work Category Code |
| WCT | Woodlake City Transit |
| WDT | Weight-Distance Tax |
| WEN | Workload Estimating Norm |
| WES | Waterways Experiment Station |
| WET | Wetland Evaluation Technique |
| WGRA | Western Governmental Research Association |
| WIB | Workforce Investment Board |
| WPA | Watershed Protection Approach |
| WPCM | Water Pollution Control Manager |
| WPCP | Water Pollution Control Program |
| WQBEL | Water Quality -Based Effluent Limit |
| WQC | Water Quality Criteria |
| WQI | Watershed Quality Index |
| WQS | Water Quality Standard |
| WS | White Stripe |
| WSP | Welded Steel Pipe |
| WSRA | Wild and Scenic Rivers Act |
| WSPRO | Water Surface Profile |
| WSTP | Wastewater Sewage Treatment Plant |
| WWTP | Wastewater Treatment Plant |
| WZS | Work Zone Safety |
| WZTC | Work Zone Traffic Control |
X |
|
| XPM | Expert Project Management |
Y |
|
| YARTS | Yosemite Area Regional Transportation System |
| YATI | Yosemite Area Traveler Information |
| YS | Yellow Stripe |
Z |
|
| ZBB | Zero Based Budgeting |
| ZEV | Zero Emissions Vehicle |
| ZRL | Zero Risk Level |