| State | Transit agencies |
|---|---|
| California | 207 |
| Illinois | 95 |
| North Carolina | 91 |
| Georgia | 82 |
| Michigan | 81 |
| Wisconsin | 78 |
| New York | 69 |
| Texas | 63 |
| Florida | 59 |
| Kansas | 53 |
| Ohio | 53 |
| Washington | 47 |
| Arizona | 43 |
| Pennsylvania | 43 |
| Nebraska | 42 |
| Colorado | 39 |
| Iowa | 36 |
| Oregon | 36 |
| Alabama | 34 |
| Minnesota | 34 |
| Virginia | 32 |
| Montana | 30 |
| Indiana | 29 |
| Louisiana | 26 |
| Tennessee | 25 |
| Missouri | 24 |
| Oklahoma | 24 |
| New Mexico | 23 |
| Massachusetts | 21 |
| Alaska | 20 |
| Maryland | 20 |
| Connecticut | 18 |
| Kentucky | 18 |
| Nevada | 17 |
| New Jersey | 17 |
| South Carolina | 17 |
| West Virginia | 16 |
| Idaho | 11 |
| Maine | 11 |
| South Dakota | 11 |
| North Dakota | 10 |
| Arkansas | 8 |
| Mississippi | 8 |
| Utah | 8 |
| Wyoming | 7 |
| Hawaii | 4 |
| New Hampshire | 4 |
| District of Columbia | 3 |
| Vermont | 3 |
| Delaware | 2 |
| Rhode Island | 2 |
Source: Federal Transit Administration, National Transit Database 2024 — Reporter Agency Information. Data captured September 30, 2026.
Largest transit agencies
| Transit agency | State | Vehicles operated directly |
|---|---|---|
| MTA New York City Transit Brooklyn | NY | 9,252 |
| New Jersey Transit Corporation Newark | NJ | 2,717 |
| Chicago Transit Authority Chicago | IL | 2,505 |
| Washington Metropolitan Area Transit Authority Washington | DC | 2,140 |
| King County Seattle | WA | 1,849 |
| Los Angeles County Metropolitan Transportation Authority Los Angeles | CA | 1,817 |
| Southeastern Pennsylvania Transportation Authority Philadelphia | PA | 1,668 |
| Metro-North Commuter Railroad Company, dba: MTA Metro-North Railroad New York | NY | 1,140 |
| MTA Bus Company New York | NY | 1,136 |
| MTA Long Island Rail Road New York | NY | 1,082 |
Source: Federal Transit Administration, National Transit Database 2024 — Reporter Agency Information. Data captured September 30, 2026.