For general questions about the Bureau of Transportation Statistics (BTS) contact:

Bureau of Transportation Statistics (BTS) 
Office of the Assistant Secretary for Research and Technology
U.S. Department of Transportation
1200 New Jersey Avenue, SE
Washington, DC 20590

Toll-free BTS Help Line: 800-853-1351 or 202-366-DATA (3282)
8:30am-5:00pm ET, M-F

General questions or inquiries