Datasets

Fairfax County

Subdivision Blocks

This layer contains data defining the exterior boundaries of subdivided land within subdivisions in Fairfax County, Virginia. The Block layer was created to depict subdivided land areas within subdivisions defined by…

Fairfax County

Special Tax Areas

This layer contains the boundaries of special tax areas as defined by the taxing authority of Fairfax County. These are special tax districts where additional fees are levied on the properties within the districts. For…

Fairfax County

Rights of Way

This layer contains polygons that show the public rights of way. Right of way is defined as area or path that is accessible for people to pass through. Right of ways are normally found where roadways exist to allow for…

Fairfax County

Recorded Floodplain Easements

Floodplain delineations were first added to the County tax maps in the 1970's for creeks and streams with watersheds of 1 square mile or greater. In 1977 all the studies on these large streams had been completed and a…

Fairfax County

Subdivisions

This layer contains data defining the exterior boundaries of subdivided land within Fairfax County, Virginia. The Subdivision layer was created to depict subdivided land areas defined by recorded documents (plats) for…

Fairfax County

Parcels

Fairfax County

Easements

This data set contains a variety of easements that are captured from recorded subdivision plats and easement plats. Once a document has been recorded then the GIS office receives that document and creates any features…

Fairfax County

Common Areas

This layer contains data defining the exterior boundaries of land under common ownership, typically within condominium properties within Fairfax County, Virginia. The common area layer was created to depict these areas…

Fairfax County

Agricultural and Forestal Districts

This layer depicts the agriculture/forest districts in Fairfax County. These areas are specially designated for tax purposes. For additional information refer to this web page:…

Fairfax County

Roadways

This layer contains the road centerlines for Fairfax County and surrounding areas. This layer is automatically regenerated every day and any updates posted to the database from the previous day will appear. This layer…

U.S Department of Transportation

Public Road Mileage, Lane Miles, and Vehicle-Miles of Travel (VMT-421C)

Annual Public Road Mileage and Vehicle-Miles of Travel (VMT) from 1900 through 2024 and Lane Miles from 1980 through 2024. Formerly Highway Statistics Charts VMT-421C & VMT-422C.

HealthData.Gov

Influenza Vaccination Coverage for All Ages (6+ Months)

Influenza Vaccination Coverage for All Ages (6+ Months) • Data on influenza vaccination coverage from the National Immunization Survey-Flu (NIS-Flu) and the Behavioral Risk Factor Surveillance System (BRFSS) for the…

Datathon 2025

Virginia Statewide Crosswalk Inventory

VDOT's snapshot statewide crosswalk inventory displays the spatial location of all crosswalk facilities in the Commonwealth of Virginia including those on the VDOT network, locality network, and private parcels. Point…

Datathon 2025

Virginia Statewide Sidewalk Inventory

VDOT's snapshot statewide sidewalk inventory displays the spatial linework of all sidewalk facilities facilities in the Commonwealth of Virginia including those on the VDOT network, locality network, and private…

Department of Housing & Community Development

VATI Priority Locations

Priority locations for the current round of funding for the Virginia Telecommunication Initiative (VATI). These locations are being prioritized as they are known to be unserved and prior projects have left them behind.…

U.S Department of Transportation

Enhanced Transit Safety Retrofit Package (E-TRP)

The data is taken from three intersections and 24 buses over a six month period in Cleveland, Ohio. The systems at the intersections provided MAP and SPAT messages and the SPAT message contained pedestrian detections…

U.S Department of Transportation

Monthly NHS Traffic Speed

This dataset reports the historical National Highway System 50th percentile median speeds for various roadway types, months, and vehicles on US roads.

U.S Department of Transportation

Test Data of Proof-of-Concept Vehicle Platooning Based on Cooperative Adaptive Cruise Control (CACC)

The data represent the performance of a proof-of-concept vehicle platooning based on the Cooperative Adaptive Cruise Control (CACC) application. The Federal Highway Administration’s Turner Fairbank Highway Research…

U.S Department of Transportation

Cooperative Automated Research Mobility Applications (CARMA) 2

Data represent the performance of prototype cooperative automated driving system applications for improving traffic mobility. The applications include the integrated highway prototype that consists of vehicle…

Arlington County - GIS Portal

Bus Stop Points