The Bureau of Transportation Statistics (BTS) provides statistics on U.S. transportation. The National Transportation Library has extensive materials on state, regional, and local transportation. The database section also has statistical reports on U.S. transportation.
National Transportation Statistics include statistics about air, rail, water, and motor vehicle transportation as well as statistics about pipelines. Statistics on costs, emissions, fuel efficiency, revenues, sales, accidents, on-time performance, oil spills, hazardous materials transport, and bomb threats are also included.