Search datasets
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Bridge and tunnel entrance. The dataset contains polygons representing planimetric bridge and tunnel entrances, created as part of the DC Geographic Information System (DC GIS) for the D.C. Office...
Search relevance: 141.60 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 07:08 PM -
Barrier: Captures jersey barriers and walls along roads and bridges as linear features. This includes impact attenuators. Where road edges and barriers share the same delineation, the geometry is...
Search relevance: 87.89 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 07:06 PM -
Bridges: All bridges are digitized as polygons. Bridges carry roads or railroads over water. Outside edges of all bridges delineated. Also bridge deck locations or clear spans where deck is not...
Search relevance: 81.71 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 07:03 PM -
Bridges: All bridges are digitized as polygons. Bridges carry roads or railroads over water. Outside edges of all bridges delineated. Also bridge deck locations or clear spans where deck is not...
Search relevance: 80.05 | Views last month: 6 | Catalog Last Checked: September 10, 2026 at 07:03 PM -
Bridges: All bridges are digitized as polygons. Bridges carry roads or railroads over water. Outside edges of all bridges delineated. Also bridge deck locations or clear spans where deck is not...
Search relevance: 79.52 | Views last month: 4 | Catalog Last Checked: September 10, 2026 at 07:06 PM -
Hidden bridges and tunnels captured in 1999. This is a new dataset that was not collected as part of the planimetric mapping project. It shows bridges that were obstructed by other features, and...
Search relevance: 77.17 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 07:05 PM -
Centerlines of railroads or Metrorail are captured. The line is at the midpoint between each rail line. Hidden features due to tunnels, overpasses, or bridges are interpolated for connectivity....
Search relevance: 67.99 | Views last month: 3 | Catalog Last Checked: September 10, 2026 at 07:03 PM -
Centerlines of railroads or Metrorail are captured. The line is at the midpoint between each rail line. Hidden features due to tunnels, overpasses, or bridges are interpolated for connectivity....
Search relevance: 67.97 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 07:03 PM -
Bridges, overpasses, tunnel entrances, and underpasses captured in 1999. This dataset was collected as part of the planimetric mapping project. Hidden features were added as enhancements to this dataset.
Search relevance: 67.63 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 07:05 PM -
This layer contains hydrography such as streams, rivers, and other linear hydrography features. Hidden hydrography, inferred drainage connectors, or culverts connect visible hydrography to form a...
Search relevance: 66.28 | Views last month: 3 | Catalog Last Checked: September 10, 2026 at 07:03 PM -
This layer contains hydrography such as streams, rivers, and other linear hydrography features. Hidden hydrography, inferred drainage connectors, or culverts connect visible hydrography to form a...
Search relevance: 65.95 | Views last month: 3 | Catalog Last Checked: September 10, 2026 at 07:06 PM -
Centerlines of railroads or Metrorail are captured. The line is at the midpoint between each rail line. Hidden features due to tunnels, overpasses, or bridges are interpolated for connectivity....
Search relevance: 65.74 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 07:06 PM -
This layer contains hydrography such as streams, rivers, and other linear hydrography features. Hidden hydrography, inferred drainage connectors, or culverts connect visible hydrography to form a...
Search relevance: 65.57 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 07:03 PM
