Fairfax County
Watersheds
Watersheds within Fairfax County. There are 30 watersheds delineated across Fairfax County.
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Updated Oct 8, 2026
Datasets
4,395 datasets
Fairfax County
Voting Precincts
The voting precincts within Fairfax County.
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Updated Oct 8, 2026
Fairfax County
Polling Places
Voting locations for precincts within Fairfax County. Some features are the voting locations for 2 precincts and are identified in the attributes by having a value in the secondary precinct identifier.
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Updated Oct 8, 2026
Library of Virginia
Declarations for Revolutionary War Pensions, 1818-1849, undated.
In 1818, Congress passed the first of three major Revolutionary War pension acts. The act granted lifetime pensions to all men who had served as regular army soldiers in the Continental Line and who could demonstrate…
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Updated Sep 17, 2026
U.S Department of Transportation
HPMS Urban Summary 2019
State DOT will provide Local Vehicle-Miles-Traveled (VMT) summarized by FHWA Adjusted Urban Area.
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Updated Oct 25, 2026
U.S Department of Transportation
Historic HPMS Data (Sample) - 2006
Historic Highway Performance Monitoring System sample data for the year 2006
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Updated Oct 25, 2026
U.S Department of Transportation
All TIGER Grants 2016
This data set comprises all TIGER grants rounds up to 2016
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Updated Oct 25, 2026
U.S Department of Transportation
Toll Facilities in the U.S.: Ferries
The tolls facility program provides information on U.S. toll facilities in operation, financed, or under construction that States and various toll authorities voluntarily provide to FHWA biennially. It captures the…
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Updated Oct 25, 2026
U.S Department of Transportation
National Tunnel Inventory
The National Tunnel Inventory (NTI) records structural, operational, and safety inspection data for public highway tunnels across the United States. State departments of transportation, federal agencies, and tribal…
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Updated Oct 25, 2026
U.S Department of Transportation
Roadway Sections North 2018
State DOTs provide the location limits of highway sections to be used to represent statewide aggregations based on a statistically valid Sample Panel. The North contains data for the following States: Maine, New…
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Updated Oct 25, 2026
U.S Department of Transportation
Roadway Sections South 2019
State DOTs provide the location limits of highway sections to be used to represent statewide aggregations based on a statistically valid Sample Panel. The South contains data for the following States: Alabama, Arkansas,…
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Updated Oct 25, 2026
U.S Department of Transportation
National Highway System Lane-Miles by Functional System and State, 2000 - 2009, 2011 - 2024 (HM-43)
Annual lane miles in the National Highway System by rural / urban and functional system for the 50 states, DC, and Puerto Rico from the Highway Statistics table HM-43. (Note: In 2009, Functional System changed…
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Updated Oct 25, 2026
U.S Department of Transportation
HPMS Urban Summary 2018
State DOT will provide Local Vehicle-Miles-Traveled (VMT) summarized by FHWA Adjusted Urban Area.
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Updated Oct 25, 2026
U.S Department of Transportation
HPMS Sample Mid-America 2018
This data represents HPMS Sample limits that correspond to the HPMS Section Data. This dataset contains expansion factors that are used to expand the attributes to State wide aggregation. More information regarding the…
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Updated Oct 25, 2026
U.S Department of Transportation
Highway Data Element Dictionary
This is list of data elements and their attributes that are used by data assets at the Federal Highway Administration.
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Updated Oct 25, 2026
U.S Department of Transportation
Roadway Sections Mid-America 2019
State DOTs provide the location limits of highway sections to be used to represent statewide aggregations based on a statistically valid Sample Panel. The Mid-America contains data for the following States: Illinois,…
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Updated Oct 25, 2026
U.S Department of Transportation
Select Summary Highway Statistics, by State and Functional System
Select summary highway statistics, 1980 - 2017, mileage, lane-miles, vehicle miles traveled, and fatalities by state and functional system.
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Updated Oct 25, 2026
U.S Department of Transportation
Toll Facilities in the US: Bridges and Tunnels
The tolls facility program provides information on U.S. toll facilities in operation, financed, or under construction that States and various toll authorities voluntarily provide to FHWA biennially. It captures the…
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Updated Oct 25, 2026
U.S Department of Transportation
Geospatial Transportation Typology
This dataset includes the inputs and results for developing a transportation geo-typology that categorizes every location in the United States in terms of their main drivers of transportation demand and supply. It…
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Updated Oct 25, 2026
U.S Department of Transportation
Toll Facilities in the U.S.: Roads
The tolls facility program provides information on U.S. toll facilities in operation, financed, or under construction that States and various toll authorities voluntarily provide to FHWA biennially. It captures the…
- CSV
- JSON
- XSL
Updated Oct 25, 2026