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Find a Commonwealth ResourceU.S Department of Transportation
2021 Traffic Volume Data from FHWA's TMAS Data Program. Unweighted raw continuous traffic count information collected by state highway agencies.
Updated Oct 25, 2026
U.S Department of Transportation
State DOTs provide Local and Rural Minor Collector mileage summarized by county and ownership as a direct input to the Highway Performance Management System (HPMS). The final numbers provided in the Highway Statistics…
Updated Oct 25, 2026
U.S Department of Transportation
Annual state-reported motor vehicle registration data for the 50 states, DC, and Puerto Rico (2000 - 2010) reported in Highway Statistics table MV-1.
Updated Oct 25, 2026
U.S Department of Transportation
Tens of millions of vehicles with Takata air bags are under recall. Long-term exposure to high heat and humidity can cause these air bags to explode when deployed. Such explosions have caused injuries and deaths. NHTSA…
Updated Oct 25, 2026
U.S Department of Transportation
The Highway Performance Monitoring System Urban Area Summaries table contains daily travel and demographics data for all local functional system roads for each adjusted urbanized area.
Updated Oct 25, 2026
U.S Department of Transportation
State DOTs provide the Highway Performance Monitoring System (HPMS) with the location limits of highway sections used to represent statewide aggregations based on a statistically valid Sample Panel.
Updated Oct 25, 2026
U.S Department of Transportation
Annual vehicle miles of travel (VMT) for the National Highway System, other Federal-aid highways, and non-Federal-aid highways for the states, DC, and Puerto Rico from the Highway Statistics Series table VM-3. Note:…
Updated Oct 25, 2026
U.S Department of Transportation
The data describe freeway car-following behavior (such as velocity, acceleration, and relative position) for the car-following instances observed during 6 data collection runs, collected using an Instrumented Research…
Updated Oct 25, 2026
U.S Department of Transportation
Historic Highway Performance Monitoring System universe data for the year 1992
Updated Oct 25, 2026
U.S Department of Transportation
Historic Highway Performance Monitoring System universe data for the year 1996
Updated Oct 25, 2026
U.S Department of Transportation
State DOTs provide Local and Rural Minor Collector mileage summarized by county and ownership as a direct input to the Highway Performance Management System (HPMS).
Updated Oct 25, 2026
U.S Department of Transportation
State DOTs provide the Highway Performance Monitoring System (HPMS) with the location limits of highway sections used to represent statewide aggregations based on a statistically valid Sample Panel.
Updated Oct 25, 2026
U.S Department of Transportation
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…
Updated Oct 25, 2026
U.S Department of Transportation
This file contains reported cases of impacts between on-track equipment and any user of a public or private highway-rail intersection. National files from 1975 through the current year are available for download. In…
Updated Oct 25, 2026
U.S Department of Transportation
FRA develop a spatial point layer of the rail bridges over road and water. The bridges are a snapshot and is not an offical or complete inventory of all bridges. Railroads change ownership, railroads are abandoned,…
Updated Oct 25, 2026
U.S Department of Transportation
Highway-Rail Grade Crossing Incident (Form 71) Reason for Update Field Reference Table
Updated Oct 25, 2026
U.S Department of Transportation
State DOTs provide Local and Rural Minor Collector mileage summarized by county and ownership as a direct input to the Highway Performance Management System (HPMS).
Updated Oct 25, 2026
U.S Department of Transportation
"This file contains reported cases of collisions, derailments, fires, explosions, acts of God, or other events involving the operation of railroad on-track equipment and involving damages exceeding the reporting…
Updated Oct 25, 2026
U.S Department of Transportation
Annual number of licensed drivers for the the 50 States and DC by sex and with ratios to vehicles, residents, and driving-age residents (16+) from FHWA Highway Statistics table DL-1C.
Updated Oct 25, 2026
U.S Department of Transportation
2018 Traffic Volume Data from FHWA's TMAS Data Program. Unweighted raw continuous traffic count information collected by state highway agencies.
Updated Oct 25, 2026
