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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
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
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
Metropolitan Planning Organizations
Department of Transportation —
The Metropolitan Planning Organizations (MPO) dataset was compiled on November 10, 2025 from the Federal Highway Administration (FHWA) 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 November 30, 2025 by the Environmental Protection Agency (EPA) and is part of the U.S.... -
Federal
Nonattainment Area - 1 hr Ozone (1979 Standard-Revoked)
Department of Transportation —
The Nonattainment Area - 1 hr Ozone (1979) dataset was updated on November 30, 2025 by the Environmental Protection Agency (EPA) and is part of the U.S. Department of... -
Federal
Nonattainment Area - 8 hr Ozone (2015 Standard)
Department of Transportation —
The Nonattainment Area - 8 hr ozone (2015) dataset was updated on November 30, 2025 by the Environmental Protection Agency (EPA) and is part of the U.S. Department of... -
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 November 30, 2025 by the Environmental Protection Agency (EPA) and is part of the U.S.... -
Federal
Nonattainment Area - Particulate Matter - 10 (1987 Standard)
Department of Transportation —
The Nonattainment Area - Particulate Matter- 10 (1987) dataset was updated on November 30, 2025 by the Environmental Protection Agency (EPA) and is part of the U.S.... -
Federal
Nonattainment Area - Sulfur Dioxide (SO2 - 2010 Standard)
Department of Transportation —
The Nonattainment Area - Sulfur Dioxide (SO2-2010) dataset was updated on November 30, 2025 by the Environmental Protection Agency (EPA) and is part of the U.S.... -
Federal
Nonattainment Area - Lead (Pb - 2008 Standard)
Department of Transportation —
The Nonattainment Area - Lead (Pb-2008) dataset was updated on November 30, 2025 by the Environmental Protection Agency (EPA) and is part of the U.S. Department of... -
Federal
Nonattainment Area - 8 hr Ozone (1997 Standard)
Department of Transportation —
The Nonattainment Area - 8 hr Ozone (1997) dataset was updated on November 30, 2025 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 November 30, 2025 by the Environmental Protection Agency (EPA) and is part of the U.S.... -
Federal
Nonattainment Area - 8 hr Ozone (2008 Standard)
Department of Transportation —
The Nonattainment Area - 8 hr ozone (2008) dataset was updated on November 30, 2025 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 November 30, 2025 by the Environmental Protection Agency (EPA) and is part of the... -
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 November 30, 2025 by the Environmental Protection Agency (EPA) and is part of the...