FY2012 Budget Estimates
- Federal Aviation Administration (FAA)
- Federal Highway Administration (FHWA)
- Federal Motor Carrier Safety Administration (FMCSA)
- Federal Railroad Administration (FRA)
- Federal Transit Administration (FTA)
- National Infrastructure Bank (I-BANK)
- Maritime Administration (MARAD)
- National Highway Traffic Safety Administration (NHTSA)
- Office of Inspector General (OIG)
- Office of the Secretary of Transportation (OST)
- Pipeline & Hazardous Materials Safety Administration (PHMSA)
- Research & Innovative Technology Administration (RITA)
- Great Lakes St. Lawrence Seaway Development Corporation (GLS)
- Surface Transportation Board (STB)
| Operating Administration | Name | Phone | 
|---|---|---|
| OST | 202-366-9659 | |
| FAA | 202-267-8782 | |
| FHWA | 202-366-0622 | |
| FMCSA | 202-366-2600 | |
| FRA | 202-493-6455 | |
| FTA | 202-366-5189 | |
| MARAD | 202-366-1369 | |
| I-BANK | 202-366-4587 | |
| NHTSA | 202-366-0255 | |
| OIG | 202-366-1493 | |
| PHMSA | 202-366-4095 | |
| RITA | 202-366-2225 | |
| GLS | 202-366-8982 | |
| STB | 202-245-0346 |