Acknowledgments
This document builds upon a strong foundation of supporting documentation and data prepared by a number of key agencies.
Special thanks to:
Executive Office of the President
Office of the Secretary of Transportation
Research and Innovative Technology Administration
Federal Aviation Administration
Federal Highway Administration
National Highway Traffic Safety Administration
Federal Railroad Administration
Federal Transit Administration
Federal Motor Carrier Safety Administration
Maritime Administration
Pipeline and Hazardous Materials Safety Administration
St. Lawrence Seaway Development Corporation
Office of the Inspector General, U.S. Department of Transportation
U.S. Department of Energy
Energy Information Administration
U.S. Department of Homeland Security
U.S. Customs and Border Protection
Transportation
Security Administration
U.S. Census Bureau
Next Generation Air Transportation System Joint Planning and
Development Office
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