| Abbreviation |
Description |
| ADOT |
Arizona Department of Transportation |
| AHB35 |
Standing Committee on Managed Lanes |
| AK |
Alaska |
| AL |
Alabama |
| AR |
Arkansas |
| ATDM |
Active Traffic and Demand Management |
| AZ |
Arizona |
| BL |
Bus-Only Lane |
| BOS |
Bus-on-Shoulder |
| CA |
California |
| Caltrans |
California Department of Transportation |
| CDOT |
Colorado Department of Transportation |
| CO |
Colorado |
| CR |
County Road |
| CT |
Connecticut |
| CTDOT |
Connecticut Department of Transportation |
| DBFOT |
Design Build Finance Operate Toll |
| DE |
Delaware |
| DelDOT |
Delaware Department of Transportation |
| DOT |
Department of Transportation |
| D-PTSU |
Dynamic Part-Time Shoulder Use |
| EB |
Eastbound |
| ERP |
Expert Review Panel |
| ETL |
Express Toll Lane |
| FDOT |
Florida Department of Transportation |
| FHWA |
Federal Highway Administration |
| FL |
Florida |
| GA |
Georgia |
| GDOT |
Georgia Department of Transportation |
| GP |
General Purpose |
| HDOT |
Hawaii Department of Transportation |
| HI |
Hawaii |
| HOT |
High-Occupancy Toll |
| HOV |
High-Occupancy Vehicle |
| HOV2+ |
Greater than Two-Person High-Occupancy Vehicle |
| HOV3+ |
Greater than Three-Person High-Occupancy Vehicle |
| IBTTA |
International Bridge, Tunnel, and Turnpike Association |
| IL |
Illinois |
| IN |
Indiana |
| KS |
Kansas |
| LA |
Louisiana |
| LaDOTD |
Louisiana Department of Transportation and Development |
| LBJ |
Lyndon Baines Johnson |
| LLC |
Limited Liability Company |
| MA |
Massachusetts |
| MassDOT |
Massachusetts Department of Transportation |
| MD |
Maryland |
| MDOT |
Maryland Department of Transportation |
| ME |
Maine |
| MI |
Michigan |
| MN |
Minnesota |
| MnDOT |
Minnesota Department of Transportation |
| MO |
Missouri |
| MoDOT |
Missouri Department of Transportation |
| MPH |
Miles per Hour |
| N/A |
Not Available |
| NB |
Northbound |
| NC |
North Carolina |
| NCDOT |
North Carolina Department of Transportation |
| NDOT |
Nevada Department of Transportation |
| NE |
Nebraska |
| NH |
New Hampshire |
| NJDOT |
New Jersey Department of Transportation |
| NJTA |
New Jersey Turnpike Authority |
| NM |
New Mexico |
| NTEL |
Non-toll Express Lane |
| NV |
Nevada |
| NY |
New York |
| NYCDOT |
New York City Department of Transportation |
| OH |
Ohio |
| OK |
Oklahoma |
| OR |
Oregon |
| PA |
Pennsylvania |
| PennDOT |
Pennsylvania Department of Transportation |
| PR |
Puerto Rico |
| RI |
Rhode Island |
| SB |
Southbound |
| SC |
South Carolina |
| SCDOT |
South Carolina Department of Transportation |
| SH |
State Highway |
| S-PTSU |
Static Part-Time Shoulder Use |
| SR |
State Route |
| TDOT |
Tennessee Department of Transportation |
| TL |
Truck-Only Lane |
| TN |
Tennessee |
| TRB |
Transportation Research Board |
| TSMO |
Transportation Systems Management and Operations |
| TX |
Texas |
| TxDOT |
Texas Department of Transportation |
| UT |
Utah |
| VA |
Virginia |
| VDOT |
Virginia Department of Transportation |
| VT |
Vermont |
| WA |
Washington |
| WB |
Westbound |
| WSDOT |
Washington State Department of Transportation |
| WV |
West Virginia |
