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Try the next-generation Data Catalog at catalog-beta.data.gov and help shape it with your feedback.

19 datasets found
  • Federal

    Military Bases

    Department of Transportation —

    The Military Bases dataset was last updated on November 11, 2025 and are defined by Fiscal Year 2024 data, from the Office of the Assistant Secretary of Defense for...
  • Federal

    Congressional Districts

    Department of Transportation —

    The 119th Congressional Districts dataset reflects boundaries from January 3rd, 2025 from the United States Census Bureau (USCB), and the attributes are updated every...
  • Federal

    National Parks

    Department of Transportation —

    The National Parks dataset is frequently updated by the National Park Service (NPS) and is part of the U.S. Department of Transportation (USDOT)/Bureau of...
  • Federal

    Counties

    Department of Transportation —

    The Counties dataset was updated on October 31, 2023 from the United States Census Bureau (USCB) and is part of the U.S. Department of Transportation (USDOT)/Bureau...
  • Federal

    Core Based Statistical Areas

    Department of Transportation —

    The Core Based Statistical Areas dataset was updated on September 22, 2025 from the U.S. Department of Commerce, U.S. Census Bureau, Geography Division and is part of...
  • Federal

    Metropolitan Planning Organizations

    Department of Transportation —

    The Metropolitan Planning Organizations (MPO) dataset was compiled on March 31, 2026 from the Federal Highway Administration (FHWA) and is part of the U.S. Department...
  • Federal

    Nonattainment Area - 8 hr Ozone (2008 Standard)

    Department of Transportation —

    The Nonattainment Area - 8 hr ozone (2008) dataset was updated on January 31, 2026 by the Environmental Protection Agency (EPA) and is part of the U.S. Department of...
  • Federal

    Nonattainment Area - Nitrogen Dioxide (NO2 - 1971 Standard)

    Department of Transportation —

    The Nonattainment Area - Nitrogen Dioxide (NO2-1971) dataset was updated on January 31, 2026 by the Environmental Protection Agency (EPA) and is part of the U.S....
  • Federal

    Nonattainment Area - Carbon Monoxide (CO - 1971 Standard)

    Department of Transportation —

    The Nonattainment Area - Carbon Monoxide (CO-1971) dataset was updated on January 31, 2026 by the Environmental Protection Agency (EPA) and is part of the U.S....
  • Federal

    Nonattainment Area - Particulate Matter - 2.5 24 hr (2006 Standard)

    Department of Transportation —

    The Nonattainment Area - Particulate Matter-2.5 24 hr (2006) dataset was updated on January 31, 2026 by the Environmental Protection Agency (EPA) and is part of the...
  • Federal

    Nonattainment Area - 1 hr Ozone (1979 Standard-Revoked)

    Department of Transportation —

    The Nonattainment Area - 1 hr Ozone (1979) dataset was updated on January 31, 2026 by the Environmental Protection Agency (EPA) and is part of the U.S. Department of...
  • Federal

    Nonattainment Area - Lead (Pb - 2008 Standard)

    Department of Transportation —

    The Nonattainment Area - Lead (Pb-2008) dataset was updated on January 31, 2026 by the Environmental Protection Agency (EPA) and is part of the U.S. Department of...
  • Federal

    Nonattainment Area - Particulate Matter - 10 (1987 Standard)

    Department of Transportation —

    The Nonattainment Area - Particulate Matter- 10 (1987) dataset was updated on January 31, 2026 by the Environmental Protection Agency (EPA) and is part of the U.S....
  • Federal

    Nonattainment Area - 8 hr Ozone (1997 Standard)

    Department of Transportation —

    The Nonattainment Area - 8 hr Ozone (1997) dataset was updated on January 31, 2026 by the Environmental Protection Agency (EPA) and is part of the U.S. Department of...
  • Federal

    Nonattainment Area - Particulate Matter - 2.5 Annual (1997 Standard)

    Department of Transportation —

    The Nonattainment Area - Particulate Matter-2.5 Annual (1997) dataset was updated on January 31, 2026 by the Environmental Protection Agency (EPA) and is part of the...
  • Federal

    Nonattainment Area - Particulate Matter - 2.5 Annual (2012 Standard)

    Department of Transportation —

    The Nonattainment Area - Particulate Matter-2.5 (2012) dataset was updated on January 31, 2026 by the Environmental Protection Agency (EPA) and is part of the U.S....
  • Federal

    Nonattainment Area - 8 hr Ozone (2015 Standard)

    Department of Transportation —

    The Nonattainment Area - 8 hr ozone (2015) dataset was updated on January 31, 2026 by the Environmental Protection Agency (EPA) and is part of the U.S. Department of...
  • Federal

    Nonattainment Area - Sulfur Dioxide (SO2 - 2010 Standard)

    Department of Transportation —

    The Nonattainment Area - Sulfur Dioxide (SO2-2010) dataset was updated on January 31, 2026 by the Environmental Protection Agency (EPA) and is part of the U.S....
  • Federal

    States

    Department of Transportation —

    The States dataset was updated on October 31, 2023 from the United States Census Bureau (USCB) and is part of the U.S. Department of Transportation (USDOT)/Bureau of...
19 datasets found

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