National Transit Database Annual Service
Service metrics reported by transit agencies to the Federal Transit Administration across the 2022, 2023, and 2024 report years. Covers operational data like vehicle revenue miles, passenger trips, and service hours by agency and mode.
| Ntd IDregistration | Agencylegal entity | Stategeographic | Modeclassification | Type Of Serviceclassification | Time Periodtemporal | Unlinked Passenger Tripsquantity | Vehicle Revenue Milesquantity | Vomsquantity |
|---|---|---|---|---|---|---|---|---|
| 90001 | King County Metro Transit | WA | MB | DO | Average Weekday | 285432 | 98210 | 1450 |
| 20008 | Massachusetts Bay Transportation Authority | MA | HR | DO | AM Peak | 380 | ||
| 40022 | Chicago Transit Authority | IL | LR | DO | PM Peak | 142800 | 31500 |
Transit Fleet Vendor Market Sizing
A sales analyst at a bus manufacturer or fleet electrification company estimates addressable market by identifying which agencies operate large fleets in specific modes and states, then prioritizes outreach based on fleet size and service volume.
Municipal Bond Underwriting Due Diligence
An analyst at a bank underwriting a transit agency's revenue bond reviews multi-year ridership trends and service output to assess whether the agency's fare revenue base is stable enough to support debt obligations.
Insurance Underwriting for Transit Liability Policies
An underwriter pricing a general liability or workers compensation policy for a transit agency uses fleet size, total revenue miles, and deadhead exposure to model accident frequency and severity risk across service types.



















