Transportation
- Bureau of Transportation StatisticsStatistics on travel and transportation in the U.S.
- Federation Aviation AuthorityStatistical tables are downloadable.
- Railroads: Amtrak State Fact SheetsRoute and ridership statistics (pdf files only) by state, by route, by stop. Budget & procurement figures.
- Railroads: National Association of Railroad PassengersStatistics on ridership
- U.S. Bureau of Transportationdata & statistics by mode, by region and on such topics as safety, freight, & vehicles