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United States. Federal Highway Administration.
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1. United States Non-Attainment Areas: Carbon Monoxide, 2013
2011. United States. Bureau of Transportation Statistics, United States. Department of Transportation. Research and Innovative Technology Administration, United States. Federal Highway Administration., and United States. Environmental Protection Agency. Non-attainment and maintenance areas for the United States and its territories. The standard for the CO NAA is 9 ppm. For more detailed information... Research and Innovative Technology Administration's Bureau of Transportation Statistics (RITA/BTS).
2. United States Non-Attainment Areas: Nitrogen Dioxide, 2013
2011. United States. Bureau of Transportation Statistics, United States. Department of Transportation. Research and Innovative Technology Administration, United States. Federal Highway Administration., and United States. Environmental Protection Agency. Non-attainment and maintenance areas for the United States and its territories. The standard for the NO2 NAA is 0.053 ppm. For more detailed inform... Research and Innovative Technology Administration's Bureau of Transportation Statistics (RITA/BTS).
3. United States Non-Attainment Areas: Particulate Matter 2.5 24 Hour, 2013
2011. United States. Bureau of Transportation Statistics and United States. Federal Highway Administration. Non-attainment and maintenance areas for the United States and its territories. For more detailed information on this dataset, see the Overview Des...
4. Unites States Freight Analysis Framework Regions, 2013
2013. United States. Bureau of Transportation Statistics and United States. Federal Highway Administration. FAF domestic region level datasets and products provide information for states, state portions of large metropolitan areas, and remainders of state...