Frequently Asked Questions

If you have a transportation, data or statistical question, check out the frequently asked questions. If you still need help, E-mail BTS or 800-853-1351. The reference desk is staffed from 9:00 AM to 5:00 PM .

For members of the media, contact Public Affairs for further assistance.

• Airline On-Time Performance and Causes of Flight Delays
• Air Fares
• Commodity Flow Survey (CFS)
• Highways
• International Trade and Transportation Data and Sources
  • Overview of U.S. International Trade and Transportation Data
  • Transborder Freight Data
  • Border Crossing/Entry Data
  • New Data Developments - International Trade Data System
  • Analysis of U.S. International Trade and Transportation
  • Other International Trade and Transportation Questions
• National Household Travel Survey (NHTS)
• Publications
  • Census Transportation Planning Package (CTPP) Compact Discs 1990
  • National Transportation Atlas Database (NTAD) Data Files
• Tarmac Delay Data
• Transportation Services Index