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Find a Commonwealth ResourceU.S Department of Transportation
The goal of the SHRP 2 Project L33 Validation of Urban Freeway Models was to assess and enhance the predictive travel time reliability models developed in the SHRP 2 Project L03, Analytic Procedures for Determining the…
Updated Oct 25, 2026
U.S Department of Transportation
This zip file contains POSTDATA.ATT (.ATT); Print to File (.PRN); Portable Document Format (.PDF); and document (.DOCX) files of data to support FHWA-JPO-16-385, Analysis, modeling, and simulation (AMS) testbed…
Updated Oct 25, 2026
U.S Department of Transportation
The objective of this project was to develop system designs for programs to monitor travel time reliability and to prepare a guidebook that practitioners and others can use to design, build, operate, and maintain such…
Updated Oct 25, 2026
U.S Department of Transportation
This zip file contains files of data to support FHWA-JPO-16-370, Analysis, Modeling, and Simulation (AMS) Testbed Development and Evaluation to Support Dynamic Mobility Applications (DMA) and Active Transportation and…
Updated Oct 25, 2026
U.S Department of Transportation
The Washington site used the reliability guide from Project L02, analysis tools for forecasting reliability and estimating impacts from Project L07, Project L08, and Project C11 as well as the guide on reliability…
Updated Oct 25, 2026
Fairfax County
This table contains legal description information including legal address (site address), deeded land area, and tax district for properties within Fairfax County. There is a one-to-one relationship to the parcels data .…
Updated Oct 8, 2026
Fairfax County
This table contains information about the structure on the parcel including year built, number of bedrooms and bathrooms and style for properties within Fairfax County. There is a one-to-many relationship to the parcel…
Updated Oct 8, 2026
Fairfax County
This table contains information about the land including land sizes (square feet & acres) and land property type for properties within Fairfax County. There is a one-to-many relationship to the parcel data. Refer to…
Updated Oct 8, 2026
Fairfax County
This layer contains railroad lines in and around Fairfax County. The railroad lines include metro lines. This data was captured off of 1:1200 scale property mylars during the property data digital conversion project.…
Updated Oct 8, 2026
Fairfax County
This table contains information about commercial properties including number of stories, elevators, exterior wall type, floor type and roof type for commercial properties within Fairfax County. There is a one-to-many…
Updated Oct 8, 2026
Prince William County
This data contains the point features representing the address points, with attributes that include unique address identifier, full address, parcel ID number, status and premise address type for Prince William County.…
Updated Oct 11, 2026
Prince William County
Note: this layer's data is continuously updated via map service connections to our enterprise geodatabase. This item's "date updated" attribute does not reflect the data within. This data layer contains…
Updated Oct 11, 2026
Prince William County
In the spring of 2017, the Commonwealth of Virginia, through the Virginia Geographic Information Network Division (herein referred to as VGIN) of the Virginia Information Technologies Agency (VITA) contracted with Fugro…
Updated Oct 11, 2026
HealthData.Gov
The purpose of the National CLAS Physician Survey is to understand the provision of culturally and linguistically appropriate services among office-based physicians. The National CLAS Physician Survey is a supplement to…
Updated Oct 29, 2026
HealthData.Gov
The Botswana Combination Prevention Project (BCPP) was a research project conducted by the Botswana Ministry of Health (MOH), Harvard School of Public Health/Botswana Harvard AIDS Institute Partnership (BHP), and the…
Updated Oct 29, 2026
HealthData.Gov
This census tract shapefile for the 500 Cities project was extracted from the Census 2010 Tiger/Line database and modified to remove portions of census tracts that were outside of city boundaries. This shapefile can be…
Updated Oct 29, 2026
HealthData.Gov
This city boundary shapefile was extracted from Esri Data and Maps for ArcGIS 2014 - U.S. Populated Place Areas. This shapefile can be joined to 500 Cities city-level Data (GIS Friendly Format) in a geographic…
Updated Oct 29, 2026
Fairfax County
Stormwater easements (ex: storm drainage, storm sewer, floodplain) as captured from recorded plats using coordinate geometry (COGO) capture method. All easements are contained within the Fairfax County boundary. This…
Updated Oct 8, 2026
Fairfax County
Historic overlay districts in Fairfax County. Historic overlay districts (HODs) are bounded areas created by the Board of Supervisors. Inside an HOD certain regulations on development apply which serve to protect…
Updated Oct 8, 2026
Fairfax County
Park land within Fairfax County not maintained by Fairfax County Park Authority. These parks are owned and operated by regional, state, and federal entities.
Updated Oct 8, 2026
