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transportation
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FMCSA Hazardous Material Routes
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Columbia
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1. United States Hazardous Materials Routes, 2008
2008. Federal Motor Carrier Safety Administration, Research and Innovative Technology Administration's Bureau of Transportation Statistics (RITA/BTS), and Volpe NTSC. Hazardous Materials Routes is a line theme representing routs as described in the National Hazardous Material Route Registry (NMHRR). The on-line N... Research and Innovative Technology Administration's Bureau of Transportation Statistics (RITA/BTS).