
| ADA | Americans with Disabilities Act |
| AEU | Automobile Equivalent Unit |
| CBP | Customs and Border Protection |
| COI | Certificate of Inspection |
| GT | gross tons |
| LOS | level of service |
| MBTA | Massachusetts Bay Transit Authority |
| NYCEDC | New York City Economic Development Corporation |
| RO-RO | roll-on, roll-off [ferry] |
| SeaBus | BC Hydro Transportation |
| TCQSM | Transit Capacity and Quality of Service Manual |
| WETA | Water Emergency Transportation Authority |
| WSF | Washington State Ferries |