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Federal
Shipping Fairways, Lanes, and Zones for US waters 66 recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
Various shipping zones delineate activities and regulations for marine vessel traffic. Traffic lanes define specific traffic flow, while traffic separation zones... -
Federal
NOAA ENC Direct to GIS 11 recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
NOAA's Electronic Navigational Charts (NOAA ENCs) have been developed to support the marine transportation infrastructure and coastal management. The NOAA ENCs are in... -
Federal
EnviroAtlas - Sum of population near roads without tree buffer for the conterminous United States
U.S. Environmental Protection Agency —
This EnviroAtlas dataset is a summary of total population near major roads without any tree buffer within 12-digit Hydrologic Units (HUC_12), based on the National... -
Federal
USGS Transportation Overlay Map Service from The National Map
U.S. Geological Survey, Department of the Interior —
The USGS Transportation service from The National Map (TNM) is based on TIGER/Line data provided through U.S. Census Bureau and road data from U.S. Forest Service.... -
County
Allegheny County Addressing Street Centerlines
Allegheny County / City of Pittsburgh / Western PA Regional Data Center —
This dataset contains street centerlines for vehicular and foot traffic in Allegheny County. Street Centerlines are classified as Primary Road, Secondary Road,...