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Find a Commonwealth ResourceFairfax County
This table contains the assessed values for current tax year and prior tax year for land and building for properties in Fairfax County. There is a one-to-one relationship to parcel data. Refer to this document for…
Updated Oct 8, 2026
Prince William County
This data layer contains polygon features representing the approximate location of storm water management facilities and their access easements located within Prince William County, Virginia. It was created to provide…
Updated Oct 11, 2026
Fairfax County
This table contains information about the parcel including livable units, land use code, zoning, and utility description for properties in Fairfax County. There is a one-to-many relationship to parcels data. Refer to…
Updated Oct 8, 2026
U.S Department of Transportation
The 1995 American Travel Survey (ATS) was conducted by the Bureau of Transportation Statistics (BTS) to obtain information about the long-distance travel of persons living in the United States. The survey collected…
Updated Oct 25, 2026
U.S Department of Transportation
Travel time reliability information includes static data about traffic speeds or trip times that capture historic variations from day to day, and it can help individuals understand the level of variation in traffic.…
Updated Oct 25, 2026
U.S Department of Transportation
The datasets in this zip file are in support of Intelligent Transportation Systems Joint Program Office (ITS JPO) report FHWA-JPO-16-385, \'Analysis, Modeling, and Simulation (AMS) Testbed Development and Evaluation to…
Updated Oct 25, 2026
U.S Department of Transportation
'SHRP 2 initiated the L38 project to pilot test products from five of the program’s completed projects. The products support reliability estimation and use based on data analyses, analytical techniques, and…
Updated Oct 25, 2026
U.S Department of Transportation
The datasets in this zip file are in support of Intelligent Transportation Systems Joint Program Office (ITS JPO) report FHWA-JPO-16-385, 'Analysis, Modeling, and Simulation (AMS) Testbed Development and Evaluation to…
Updated Oct 25, 2026
U.S Department of Transportation
This zip file contains 45 files of data to support FHWA-JPO-13-063 Response, Emergency Staging, Communications, Uniform Management, and Evacuation (R.E.S.C.U.M.E.) : Concept of Operations. Zip size is 9.9 MB. The files…
Updated Oct 25, 2026
U.S Department of Transportation
The objective of this project was to develop technical relationships between reliability improvement strategies and reliability performance metrics. This project defined reliability, explained the importance of travel…
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
The datasets in the .pdf and .zip attached to this record are in support of Intelligent Transportation Systems Joint Program Office (ITS JPO) report FHWA-JPO-15-222, 'Impacts Assessment of Dynamic Speed Harmonization…
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
The Highway Capacity Manual (HCM) historically has been among the most important reference guides used by transportation professionals seeking a systematic basis for evaluating the capacity, level of service, and…
Updated Oct 25, 2026
U.S Department of Transportation
The datasets in this zip file are in support of Intelligent Transportation Systems Joint Program Office (ITS JPO) report FHWA-JPO-16-385, 'Analysis, Modeling, and Simulation (AMS) Testbed Development and Evaluation to…
Updated Oct 25, 2026
U.S Department of Transportation
The datasets in this zip file are in support of FHWA-JPO-16-379, 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
As our highway infrastructure continues to age, there is the imperative need to renew the entire network while keeping it operational. Moreover, many highway corridors and regional networks are becoming ever more…
Updated Oct 25, 2026
U.S Department of Transportation
The datasets in this zip file are in support of Intelligent Transportation Systems Joint Program Office (ITS JPO) report FHWA-JPO-14-134, 'Dynamic Mobility Applications Policy Analysis: Policy and Institutional Issues…
Updated Oct 25, 2026
U.S Department of Transportation
The report covers transportation-related financial activities of the federal, state and local governments, as well as government enterprises (e.g., public transit agencies, toll highways, parking lots, air terminals,…
Updated Oct 25, 2026
U.S Department of Transportation
This project focused specifically on design treatments that can be used to improve travel time reliability. The objectives of this research were to (1) identify the full range of possible roadway design features used by…
Updated Oct 25, 2026
