Found 21 datasets matching filters.
-
Taxiway, Apron: Delineate footprint of the following features. A taxiway connects aircraft to other areas and facilities of an airport. The apron is an area of an airport where aircraft are...
Search relevance: 1.00 | Views last month: 25 | Published on: 2026-02-26 -
The DC Basemap provides a reference map for the District of Columbia projected in Web Mercator. Access the ArcGIS Rest endpoint. The basemap utilizes the most current planimetric and reference...
Search relevance: 1.00 | Views last month: 12 | Published on: 2026-01-27 -
The perimeter of all public and private sport/recreation courts, including clay, grass, dirt, and paved surfaces are captured. Each court is delineated separately even if adjacent. Pavement...
Search relevance: 1.00 | Views last month: 8 | Published on: 2026-02-26 -
Control points are captured by land surveyors to create control for orthophotography. These points are captured with survey-grade equipment ensuring the highest accuracy in their location....
Search relevance: 1.00 | Views last month: 3 | Published on: 2026-02-26 -
Traffic Barrier. The dataset contains polylines representing planimetric traffic barriers, created as part of the DC Geographic Information System (DC GIS) for the D.C. Office of the Chief...
Search relevance: 1.00 | Views last month: 3 | Published on: 2026-02-26 -
The DC Basemap web service provides a reference map for the District of Columbia. The basemap utilizes the most current planimetric and reference data available. The service is provided by the...
Search relevance: 1.00 | Views last month: 2 | Published on: 2026-01-27 -
Grate: A single point capture for the feature at the visual center point. Grates are structures of parallel or crossed bars, used to cover steam vents or other ventilation features for buildings,...
Search relevance: 1.00 | Views last month: 1 | Published on: 2026-02-26 -
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: 1.00 | Views last month: 1 | Published on: 2026-02-26 -
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: 1.00 | Views last month: 1 | Published on: 2026-02-26 -
Road edges are defined as the edge of the improved surface including the improved shoulder but do not include the unimproved shoulder, only the travel part of the road. The road network is...
Search relevance: 1.00 | Views last month: 0 | Published on: 2026-02-26 -
Water is a polygon feature class consisting of the following features and capture rules: Lakes, Reservoirs: Delineates the shoreline of all standing bodies of water designated as a lake or...
Search relevance: 1.00 | Views last month: 0 | Published on: 2026-02-26 -
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: 1.00 | Views last month: 0 | Published on: 2026-02-26 -
Building structures include parking garages, ruins, monuments, and buildings under construction along with residential, commercial, industrial, apartment, townhouses, duplexes, etc. Buildings...
Search relevance: 1.00 | Views last month: 0 | Published on: 2026-02-26 -
The spatial resolution of DC orthophotos must be resampled to 1 meter in some areas as determined by the Secret Service. In 2017, the redaction boundary was expanded around the US Capitol and a...
Search relevance: 1.00 | Views last month: 0 | Published on: 2026-01-27 -
All public walkways are captured. Sidewalks do not overlap other feature classes unless they are hidden under a bridge or overpass. Cement pads around public swimming pools are captured. Walkways...
Search relevance: 1.00 | Views last month: 0 | Published on: 2026-02-26 -
Curb: The edge of roads, alleys, ramps or parking lots, other than those for which polygons can be formed. Curbs are rims, usually made of concrete, along a roadway, forming an edge for a...
Search relevance: 1.00 | Views last month: 0 | Published on: 2026-02-26 -
Obscured Areas are areas in the compilation imagery that due to shadows, dense vegetation, heavy tree cover, building lean, etc., that completely block out all image detail and nothing can be seen...
Search relevance: 1.00 | Views last month: 0 | Published on: 2026-02-26 -
The Dark Gray DC Basemap provides a reference map for the District of Columbia projected in Web Mercator. Access the ArcGIS Rest endpoint. The basemap utilizes the most current planimetric and...
Search relevance: 1.00 | Views last month: 0 | Published on: 2026-01-27 -
The Light Gray DC Basemap provides a reference map for the District of Columbia projected in Web Mercator. Access the ArcGIS Rest endpoint. The basemap utilizes the most current planimetric and...
Search relevance: 1.00 | Views last month: 0 | Published on: 2026-01-27
