2012. United States. Bureau of Transportation Statistics, United States. Federal Motor Carrier Safety Administration., and United States. Department of Transportation. Research and Innovative Technology Administration. The Federal Motor Carrier Safety Administration (FMCSA) Hazardous Material Routes were developed using the 2004 First Edition TIGER/Line files. The... Research and Innovative Technology Administration/Bureau of Transportation Statistics.
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2012. United States. Bureau of Transportation Statistics, United States. Department of Transportation. Research and Innovative Technology Administration, and United States. Bureau of the Census. State boundaries with political limit - boundaries extending into the ocean. The State Boundary with Detailed Shorelines database was created using... U.S. Census Bureau (BOC).