2023 Documentation - Questionable Data Items

Contains data points deemed "Questionable" by FTA. Organized by mode, type of service (TOS) and annual report form.

2023 Facilities and Stations

The 2023 Annual dataset details and summarizes public transit agency facilities and passenger stations. 

The links below redirect to the DOT Open Data Portal, which now hosts this dataset.

2023 Annual Database General Transit Feed Specification (GTFS) Weblinks

Contains GTFS data for fixed routes to collect NTD reporters’ geographic service area coverage data.

Keywords: agency, stops, routes, trips, stop times, calendar, shapes, weblink, mode, type of service

2023 Annual Database Reportable Segments

Contains data on high intensity busway and reportable segements using and occupying separate right-of-way or rail exclusively for public transportation use or a fixed catenary system useable by multiple forms of public transportation. Organized by mode and type of service.

2/27/2025: Replaced UZA Code (deprecated) column with UACE (current).

2023 NTD Database File Dictionary

Defines terms found on NTD Reporting Forms and identifies the 2023 Database File in which they are included. Please note that this does not include terms in the 2023 Data Tables and Time Series files - each of those files includes its own data dictionary.

2023 Annual Database Vehicle Maintenance

Contains data on mechanical system failures for revenue vehicles. Categorized by other mechanical failures or major mechanical failures. Reported by mode and type of service.

Keywords: urban, 5307, full, revenue vehicle system failures, interrupted service, system malfunctions, vehicle malfunctions, failure statistics

2023 Annual Database UZA Sums

Presents allocation service data for each urbanized and rural areas.  Organized by UZAs or non-UZAs.

Keywords: urban, 5307, allocation, federal funding allocation, vehicle revenue hours, vrh, vehicle revenue miles, vrm, passenger miles traveled, pmt, unlinked passenger trips, upt, operating expenses, fixed guideway, directional route miles, passenger miles, 7 years, high intensity, drm, hib, state of good repair, sgr, service allocation, urbanized areas, uza, service across uza, segment age

2023 Annual Database Transit Way Mileage

Contains data on transit right-of-way mileage for non-rail mode operators as well as construction and asset condition information for track and special trackwork for rail mode operators. 

April 27, 2026: Version _1_0 was updated to correct issues with the Separate Asset Flag, Shared Capital Responsibility Other Party and Group Plan Sponsor columns.

2023 Annual Database Transit Stations

Contains data on transit stations (boarding/deboarding facility with platform in a separate right of way), organized by mode and type of service (TOS).

Keywords: urban, 5307,  full, ssw, small system, ada accessible, non-ada accessible, stations, multi-modal, elevators, escalators, stops, passenger stations, metro stops, transit centers, transit hubs

2023 Annual Database Maintenance Facilities

Contains data on transit facilities (garages or buildings where mechanics perform routine maintenance and repairs).

Keywords: facility type, general purpose, heavy maintenance, ownership type, size, capacity, number of revenue vehicles, maintenance facilities, leased facilities, transit building, vehicle garages, transit garages, maintenance garages