Ask NTD

Ask the National Transit Database in plain English — ridership, operating costs, cost per rider and fares for every U.S. transit agency and mode, 2015 onward, with dollar figures available inflation-adjusted.

Try:

Each question is turned into a read-only database query by AI and run against the data; check the query shown with each answer before relying on it. Questions are limited per visitor per hour.

Source: Federal Transit Administration, National Transit Database (via data.transportation.gov). Inflation adjustment uses the BLS Consumer Price Index (CPI-U).