| HOUSE OF REPRESENTATIVES | 434 |
| SENATE | 433 |
| Transportation, Dept of (DOT) | 199 |
| Federal Aviation Administration (FAA) | 94 |
| Federal Transit Administration (FTA) | 54 |
| Federal Highway Administration (FHA) | 43 |
| Homeland Security, Dept of (DHS) | 25 |
| Housing & Urban Development, Dept of (HUD) | 15 |
| Transportation Security Administration (TSA) | 15 |
| U.S. Customs & Border Protection | 15 |
| Commerce, Dept of (DOC) | 12 |
| Energy, Dept of | 10 |
| Federal Railroad Administration | 10 |
| Justice, Dept of (DOJ) | 10 |
| Treasury, Dept of | 10 |
| Agriculture, Dept of (USDA) | 7 |
| Federal Motor Carrier Safety Administration | 6 |
| Natl Highway Traffic Safety Administration (NHTSA) | 6 |
| Defense, Dept of (DOD) | 3 |
| Natl Oceanic & Atmospheric Administration (NOAA) | 2 |