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County
County Impervious Surfaces 2017
Fairfax County, Virginia —
This layer was created by combining the following 2017 planimetric features into a single, countywide layer: major transportation, minor transportation, sidewalk... -
State
MD iMAP: Maryland Transit - Light Rail Parking
State of Maryland —
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. This data shows the locations of MTA's light rail parking facilities. Last... -
Traffic Barrier 2019
District of Columbia —
Traffic Barrier. The dataset contains polylines representing planimetric traffic barriers, created as part of the DC Geographic Information System (DC GIS) for the... -
State
MD iMAP: Maryland Transit - Amtrak Rail Lines
State of Maryland —
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. The Rail Network is a comprehensive database of the nation's railway system... -
Federal
Aviation Safety Reporting System: Unmanned Aerial Vehicle (UAV) Reports
National Aeronautics and Space Administration —
A sampling of reports involving Unmanned Aerial Vehicle (UAV) events. -
State
Conical_Surface
State of Iowa —
The dataset provides information on the conical surfaces of Iowa airports. The conical surface extends outwards and upwards from the boundary of the horizontal... -
City
Runway Usage
City of San Francisco —
A. SUMMARY This information shows SFO’s Nighttime Preferential Runway Use program and air carrier operations using jet and regional aircraft. The Nighttime... -
State
MD iMAP: Maryland Transit - WMATA Metro Lines
State of Maryland —
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. Metro Lines (regional). The dataset contains locations and attributes of... -
Federal
Morphometric Characteristics of Ice and Snow in the Arctic Basin: Aircraft Landing Observations from the Former Soviet Union, 1928-1989, Version 1
National Aeronautics and Space Administration —
This data set contains sea ice and snow measurements collected during aircraft landings associated with the Soviet Union's historical Sever airborne and North Pole... -
Recreation Fields 2019
District of Columbia —
Recreation Areas. The dataset contains polygons representing planimetric recreation areas, created as part of the DC Geographic Information System (DC GIS) for the... -
State
MD iMAP: Maryland Transit - MARC Train Lines
State of Maryland —
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. Maryland Transit Administration MARC Commuter Rail lines. For more... -
State
MD iMAP: Maryland Transit - MTA Bus Parking
State of Maryland —
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. This data shows the locations of MTA's bus parking facilities. Last... -
Sidewalk Grates 2019
District of Columbia —
Sidewalk Grates. The dataset contains points representing planimetric grates, created as part of the DC Geographic Information System (DC GIS) for the D.C. Office of... -
State
MD iMAP: Maryland Transit - Baltimore Metro Subway Parking
State of Maryland —
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. Maryland Transit Administration METRO Parking Facilities. The 15.5-mile -... -
State
MD iMAP: Maryland Transit - Baltimore Metro Subway Stops
State of Maryland —
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. Maryland Transit Administration Metro Subway Stops. This data is based upon... -
State
MD iMAP: Maryland Transit - WMATA Metro Bus Lines
State of Maryland —
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. Metrobus provides more than 400 - 000 trips each weekday serving 11 - 500... -
Federal
National Geodetic Survey's Airport Aerial Photography
National Oceanic and Atmospheric Administration, Department of Commerce —
The National Geodetic Survey (NGS), formerly part of the U.S. Coast and Geodetic Survey, has been performing Aeronautical surveys since the 1920's. NGS, in accordance... -
Hidden Roads
District of Columbia —
Roads. The dataset contains polygons representing planimetric roads, created as part of the DC Geographic Information System (DC GIS) for the D.C. Office of the Chief...