Loudoun County
Use this application to view the pattern of concentrations of people by race and Hispanic or Latino ethnicity. Data are provided at the U.S. Census block group level, one of the smallest Census geographies, to provide a…
Updated Oct 10, 2026
Loudoun County
The geology of Loudoun County, Virginia, was mapped in 1988 through 1991 under a cooperative agreement between the U.S. Geological Survey (USGS) and the Loudoun County Department of Environmental Resources.This geologic…
Updated Oct 10, 2026
Loudoun County
Sidewalks, trails, and shared use paths are mapped in house by Loudoun County Office of Mapping and Geographic staff using existing base map planimetric data, aerial imagery, and a limited amount of GPS work (primarily…
Updated Oct 10, 2026
Department of Rail and Public Transportation
A layer containing highway-rail crossings in the Commonwealth of Virginia. Data is from FRA Crossings Inventory. Last updated May 2020.
Updated Oct 21, 2026
Fairfax County
This polygon dataset represents impervious surface in Fairfax County. This dataset also includes areas that drain to Fairfax County. This includes portions of City of Fairfax, City of Alexandria, Falls Church, Arlington…
Updated Oct 8, 2026
Datathon 2025
Public-facing application depicting Office of Land Use Permits from the Land Use Permitting System (LUPS).
Updated Oct 17, 2026
Datathon 2025
The purpose of this map is to display the priority corridors for pedestrian and bike safety countermeasure planning in Virginia. These were identified through the PSAP planning process.
Updated Oct 17, 2026
Datathon 2025
This GIS file contains detailed prioritization results for two-lane rural road curve segments across all Nine Districts, including crash data, computed risk scores, and risk categories. This approach narrows the review…
Updated Oct 17, 2026
Datathon 2025
The File contains detailed prioritization results for two-lane rural roads in longer corridors or continuous segments based on route name and weighted risk score across all Nine Districts. It is well suited for planning…
Updated Oct 17, 2026
Datathon 2025
The File contains detailed prioritization results for two-lane rural road segments across all Nine Districts, including crash data, computed risk scores, and risk categories. Key fields include: Statewide Risk Score and…
Updated Oct 17, 2026
City of Alexandria - GIS Portal
A Polygon showing the boundary of the K-12 school grounds of both public school locations within the City of Alexandria, Virginia.
Updated Nov 2, 2026
Virginia Beach
The MS4 connection points and drainage areas are intended to cordinate spills between the city of Virginia Beach and MS4 permittees within the city. The points were created in 2020. The connection points were placed at…
Updated Nov 1, 2026
Virginia Beach
The MS4 connection points drainage areas are the drainage areas for MS4 connection points. They were based on the true drainage area leading to the MS4 connection point, ignoring the permittee boundary. They are a…
Updated Nov 1, 2026
Virginia Beach
The municipal separate storm sewer system (MS4) receiving waters are hydrologically connected waterways that receive stormwater discharges from the City's MS4. Whether a waterway is considered a MS4 receiving water is…
Updated Nov 1, 2026
City of Alexandria - GIS Portal
Used in ParkLink.
Updated Nov 2, 2026
City of Alexandria - GIS Portal
This polygon layer provides the location of all areas within the City of Alexandria that are maintained in some capacity by the City's Recreation, Parks & Cultural Activies Department
Updated Nov 2, 2026
Virginia Beach
Data set containing Virginia Beach Parks & Recreation's active transportation facilities, bikeways, and trails that can be used for mapping, creating web apps, and analysis. It includes trail and path segments, named…
Updated Nov 1, 2026
Virginia Beach
Virginia Beach city-owned property designated to be under the management of the Parks & Recreation Department. This layer includes all the city's parks, facility properties, open spaces, golf courses, etc. The layer…
Updated Nov 1, 2026
Virginia Beach
Special Service Districts are created to provide financing for city services specific to a particular geographic area. The geographic areas and purpose are determined and identified in the Virginia Beach Code or…
Updated Nov 1, 2026
Virginia Beach
Areas represent dam break inundation zones based on individual dam/spillway designs. Development within this boundary shall be studied to determine if or how the dam’s hazard rating is effected, and the results shall be…
Updated Nov 1, 2026