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Bureau of Transportation Statistics and United States. Bureau of Transportation Statistics. The United States Metropolitan Planning Organization database is a geographic database of Metropolitan Planning Organization political boundaries. Bureau of Transportation Statistics.
Research and Innovative Technology Administration's Bureau of Transportation Statistics and United States. Bureau of Transportation Statistics. The United States Metropolitan Planning Organization database is a geographic database of Metropolitan Planning Organization political boundaries. Research and Innovative Technology Administration's Bureau of Transportation Statistics.
U.S. Environmental Protection Agency, United States. Bureau of Transportation Statistics , United States. Bureau of Transportation Statistics, and United States. Office of Highway Planning. Non-attainment and maintenance areas for the United States and its territories. For more detailed information on this dataset, see the Overview De... United States. Bureau of Transportation Statistics.