Citation

Photo Credits

Front cover

Ship in Baltimore Harbor
Dennis Roos, Sr.

Back cover

Passenger train
National Railroad Passenger Corporation (Amtrak)

Bureau of Transportation Statistics

For additional copies of this guide or information about BTS and its products and services, contact:

Product Orders
Internet: www.bts.gov

Mail: Product Orders
          Research and Innovative Technology Administration
          Bureau of Transportation Statistics
          ATTN: Product Orders
          U.S. Department of Transportation
          1200 New Jersey Avenue, SE, Room E36-109
          Washington, DC 20590
          orders@bts.gov

Information Service
Phone: 1-800-853-1351
Email: answers@bts.gov

January 2008