A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z
A | |
AADT | Annual average daily traffic |
AAR | Association of American Railroads |
AASHTO | American Association of State Highway and Transportation Officials |
AC | Asphaltic concrete |
ACEC | Area of critical environmental concern |
ACFC | Asphaltic concrete finishing course |
ACHP | Advisory Council on Historic Preservation |
ADA | Americans with Disabilities Act |
ADOT | Arizona Department of Transportation |
ADPS | Arizona Department of Public Safety |
ADT | Average daily traffic |
ANSI | American National Standards Institute |
AREA | American Railway Engineering Association |
AREMA | American Railway Engineering and Maintenance-of-Way Association |
ARS | Arizona Revised Statues |
ASLD | Arizona State Land Department |
ASTM | American Society for Testing and Materials |
ATC | Automatic Train Control |
ATQI | Arizona Transportation Quality Initiative |
ATRC | Arizona Transportation Research Center |
AVE | Arithmetic mean |
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BDRY | Boundary |
BIA | Bureau of Indian Affairs |
BLM | Bureau of Land Management of the U.S. Department of the Interior |
BLVD | Boulevard |
BMP | Best management practice |
BNSF | Burlington Northern Santa Fe Railroad |
Board | Surface Transportation Board |
BOD | Biological oxygen demand |
BR | Bridge |
Btu | British thermal unit(s) |
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C | Celsius |
CAA | Clean Air Act of 1970 |
CAAA | Clean Air Act Amendments of 1990 |
CANAMEX | The CANAMEX Trade Corridor was defined by Congress in the 1995 National Highway Systems Designation Act. For several years there has been an interest in developing this Corridor, chiefly to facilitate transportation distribution, commerce and tourism. In Arizona, the Corridor follows I-19 from Nogales to Tucson, I-10 from Tucson to Phoenix, US 93 in the vicinity of Phoenix to the Nevada Border. |
CBC | Concrete box culvert |
CEQ | Council on Environmental Quality |
CERCLA | Comprehensive Environmental Response, Compensation and Liability Act |
CERCLIS | Comprehensive Environmental Response, Compensation, and Liability Information System |
CFR | Code of Federal Regulations |
CG | Cattle guard |
CL | City limits |
CN | Canadian National Railroad |
CN/IC | Canadian National/Illinois Central (Railroads) |
CO | Carbon monoxide |
CO2 | Carbon dioxide |
CS | Commercial standards |
CS | Cab Signal |
CSX | Primary Freight Railroad Owner of the main lines included in the Southeast Corridor as defined in this web site |
CTY | City |
CWA | Clean Water Act |
CY | Calendar year |
CYN | Canyon |
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dB | decibel(s) |
dBA | A-weighted decibel(s) |
DCR | Design Concept Report |
DE | District engineer |
DME | District materials engineer |
DMU | Diesel Multiple-Unit |
DOE | (U.S.) Department of Energy |
DOI | (U.S.) Department of the Interior |
DOT | (U.S.) Department of Transportation |
DR | Drain |
DVUR | Daily Vehicle Usage Report |
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EA | Environmental Assessment |
EB | Eastbound |
ECP | Environmental clearance process |
EIC | Employee in charge (of on-track safety) |
EIS | Environmental Impact Statement |
EPA | (U.S.) Environmental Protection Agency |
EPCA | Energy Policy and Conservation Act |
ERS | Environmental resource score |
ESA | Endangered Species Act of 1973 |
EX | Excavation |
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F | Fahrenheit |
FAPG | Federal-Aid Policy Guide |
FC | Finishing course |
FHWA | Federal Highway Administration |
FMS | Freeway Management System |
FOIA | Freedom of Information Act |
FR | Frontage road |
FRA | Federal Railroad Administration |
FTA | Federal Transit Administration |
FWS | (U.S.) Fish and Wildlife Service |
FY | Fiscal year (ADOT FY: July 1 - June 30) |
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GC | Grade |
GIS | Geographic information system |
GOHS | Governor's Office of Highway Safety |
GPS | Global positioning system |
GR | Guardrail |
GRIC | Gila River Indian Community |
GRIN | Gila River Indian News |
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HOV | High occupancy vehicle (also known as the "Diamond Lane" or "Carpool Lane" on the freeway). |
hp | Horsepower |
HPMS | Highway Performance Monitoring System |
HSO | Health and safety officer |
HSP | Health and safety plan |
HURF | Highway User Revenue Fund |
HWY | Highway |
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I | Interstate (for example: I-10) |
ICC | Interstate Commerce Commission |
IR | Inconsistent and responsive application |
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JCT | Junction |
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kg | Kilogram(s) |
kW | Kilowatt(s) |
kWh | Kilowatt-hour(s) |
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Ldn | Day-night equivalent sound level |
Leq(h) | Hourly energy-averaged sound level |
LK | Lake |
LL | Lower limit (in reference to Standard Specifications for Road and Bridge Construction). |
LLC | Limited liability company |
LN | Line |
LOS | Level of service |
LT | Lighting |
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MAG | Maricopa Association of Governments |
MGT | Management |
MOA | Memorandum/memoranda of agreement |
MOU | Memorandum/memoranda of understanding |
MP | Milepost |
mph | Mile(s) per hour |
MRS | Multiple resource score |
MT | Mountain |
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N/A | Not applicable |
NAAQS | National Ambient Air Quality Standards |
NBS | National Bureau of Standards |
NCHRP | National Cooperative Highway Research Program |
NEPA | National Environmental Policy Act of 1969 |
NHI | National Highway Institute |
NHL | National historic landmark |
NHPA | National Historic Preservation Act of 1966, as amended |
NHTSA | National Highway Traffic Safety Administration |
NOAA | National Oceanographic and Atmospheric Administration |
NOx | Nitrogen oxide; oxides of nitrogen |
NPDES | National Pollutant Discharge Elimination System |
NPL | National Priorities List |
NPR | No permit required |
NPS | National Park Service |
NRHP | National Register of Historic Places |
NSPE | National Society of Professional Engineers |
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O3 | Ozone |
O M | Operations and maintenance |
OP | Overpass |
OSHA | Occupational Safety and Health Administration |
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PA | Project assessment |
PCCP | Portland Cement, Concrete Pavement |
PE | Professional engineer |
PH | Phase |
PL | Percentage of lot within LL (in reference to Standard Specifications for Road and Bridge Construction). |
P.L. | Public law |
PM | Particulate matter |
PM10 | Particulate matter less than 10 microns in diameter |
POR | Party of record |
PPE | Personal protective equipment (for roadway worker safety) |
PSD | Prevention of significant deterioration |
PT | Total percentage of lot within UL and LL (in reference to Standard Specifications for Road and Bridge Construction). |
PU | Percentage of lot within UL (in reference to Standard Specifications for Road and Bridge Construction). |
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QA | Quality assurance |
QC | Quality control |
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RACF | Resource Access Control Facility |
RARF | Regional Area Road Fund (a voter-approved excise tax primarily used for controlled access highway construction in the metropolitan areas). |
RCRA | Resource Conservation and Recovery Act |
RCRIS | Resource Conservation and Recovery Information System |
RES | Reservation |
RLS | Registered land surveyor |
RMM | Railway maintenance machine |
RMP | Ramp |
RNG | Range |
RR | Railroad |
RRX | Railroad crossing |
R/W | Right-of-way |
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S |
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SACP | Safety Assurance and Compliance Program (of the Federal Railroad Administration) |
SC | Seal coat |
SEA | Section of environmental analysis (of the Surface Transportation Board) |
SGN | Sign(s) |
SHPO | State Historic Preservation Office |
S/L | Signal lights (traffic lights). |
SO2 | Sulfur dioxide |
SOP | Standard operating procedure |
SR | State route |
ST PARK | State park |
Stat. | Statute |
STR | Structure |
SWLK | Sidewalk |
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T E | Threatened and endangered species, as determined by the Endangered Species Act of 1973 |
TCD | Traffic control device |
TCS | Traffic counting station |
TEA-21 | Transportation Equity Act for the 21st Century |
TI | Traffic interchange |
TV | Target value (in reference to Standard Specifications for Road and Bridge Construction). |
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UL | Upper limit (in reference to Standard Specifications for Road and Bridge Construction). |
UP | Underpass |
U.S. | United States |
U.S.C. | United States Code |
USDOT | United States Department of Transportation |
USGS | United States Geological Survey |
USS | United States Standard |
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VLY | Valley |
VMT | Vehicle miles traveled |
VRE | Virginia Railway Express |
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WB | Westbound |
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CSX | Amtrak | VRE | Tri-Rail | FRA | Glossary
The SEC website is a proof-of-concept program to promote collaboration between industry and government organizations regarding railroad operations along the Southeast Corridor. The content currently posted is under review by program participants and does not reflect official positions or policy of the Federal Railroad Administration or participating organizations.