Office of the Chief Technology OfficerTaxiway, 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 parked, unloaded or loaded, refueled, or boarded. Airport/Heliport Perimeter: Delineate the full perimeter of the airport or heliport. Helipad: Delineate clearly marked hard surface landing area or platform for helicopters.ArcGIS DynamicMapLayerhttps://hub.arcgis.com/datasets/a46d0b19075b44ab9150f2c705561428_0engOpen Data DCPublicAirport Runway and Taxiway 2021 [District of Columbia--Washington]Web servicesDistrict of Columbia--WashingtonDistrict of Columbia2021