Datasets

Fairfax County

Data Inventory

List and description of datasets available on Open Data for Fairfax County, Virginia

Datathon 2025

CrashData Details

The main source of the crash data is owned and maintained by the Virginia Department of Motor Vehicle (DMV). DMV’s Traffic Records Electronic Data System (TREDS) is a state-of-the-art data system maintained by the DMV…

Datathon 2025

CrashData Basic

The main source of the crash data is owned and maintained by the Virginia Department of Motor Vehicle (DMV). DMV’s Traffic Records Electronic Data System (TREDS) is a state-of-the-art data system maintained by the DMV…

Fairfax County

Government Centers

Locations of the government centers within Fairfax County.

Fairfax County

Community Centers

The locations of the community centers within Fairfax County which includes data type TC = Teen Center, SC = Senior Center, CC = Community Center, NC = Neighborhood and Family Center, RC = ReCenter, and MC =…

Fairfax County

Supervisor Offices

Locations of the Supervisor District offices within Fairfax County.

Prince William County

School Lands

This data layer contains polygon features representing the approximate size and location of parcels owned by the school districts located within Prince William County, Virginia. It was created to provide basic…

Prince William County

State Land

This data layer contains polygon features representing the approximate size and location of parcels owned by the State of Virginia located within Prince William County, Virginia. It was created to provide basic…

Prince William County

County Lands

This data layer contains polygon features representing the approximate size and location of parcels owned by the county located within Prince William County, Virginia. It was created to provide basic information…

Prince William County

Federal Lands

This data layer contains polygon features representing the approximate size and location of parcels owned by the federal government located within Prince William County, Virginia. It was created to provide basic…

Datathon 2025

BMP Inventory

Prince William County

Stormwater Management Segments

This data layer contains line features representing the approximate location of storm water pipes and easements located within Prince William County, Virginia. It was created to provide basic information regarding storm…

Prince William County

Stormwater Management Structures

This data layer contains point features representing the approximate location of storm water structures located within Prince William County, Virginia. It was created to provide basic information regarding the type of…

Loudoun County

Loudoun Forest

More Metadata   Forest tracts is a base map data layer derived by automated processes and processed for cartographic representation at 1:2400 scale. The polygon features represent the areas of forest or scrub cover…

Prince William County

Zoning Planned Districts

The Planned Districts layer shows the development landbays and master zoning plans for the mixed use planned zoning districts in Prince William County, There are 5 classes of planned zoning districts in the county: PBD…

Arlington County - GIS Portal

FEMA Flood Zone Polygons

A polygon feature class of Federal Emergency Management Agency (FEMA) flood hazard zones within Arlington County. The data depicts the inundation limits representing flood risk information and supporting data. The…

Prince William County

Planning Pending Cases

The layer tracks all agricultural and forestal, proffer amendments, rezonings, and special use permit land development cases that have been accepted by the Land Use Review division. Also on the layer are public facility…

Prince William County

Data Center Projects

These polygon areas contain projects that have rezoning approval by the Board of County Supervisors. The projects can be in any phase of development. Some projects may be in the middle of the construction process, some…

Prince William County

Data Center Buildings

This layer was developed and intended to track data center buildings in Prince William County, Virginia. Using different data sources including Tyler LMS (Energov) and other county software, the layer tracks data center…

City of Alexandria - GIS Portal

Transport Walks

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