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Find a Commonwealth ResourceU.S Department of Transportation
HEPGIS is a web-based interactive geographic map server that allows users to navigate and view geo-spatial data, print maps, and obtain data on specific features using only a web browser. It includes geo-spatial data…
Updated Oct 25, 2026
U.S Department of Transportation
Annual dollar amounts of obligations of Federal-aid highway funds by functional system for the 50 States, DC, PR, and the territories from FHWA Highway Statistics table FA-4C.
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
NCAP rates vehicles to determine crash worthiness and rollover safety. The safety ratings are gathered during controlled crash and rollover tests conducted at NHTSA research facilities. Vehicles with a rating of five…
Updated Oct 25, 2026
U.S Department of Transportation
NCAP rates vehicles to determine crash worthiness and rollover safety. The safety ratings are gathered during controlled crash and rollover tests conducted at NHTSA research facilities. Vehicles with a rating of five…
Updated Oct 25, 2026
U.S Department of Transportation
The NHTSA Vehicle Crash Test Database contains engineering data measured during various types of research, the New Car Assessment Program (NCAP), and compliance crash tests. Information in this database refers to the…
Updated Oct 25, 2026
U.S Department of Transportation
The NHTSA Vehicle Crash Test Database contains engineering data measured during various types of research, the New Car Assessment Program (NCAP), and compliance crash tests. Information in this database refers to the…
Updated Oct 25, 2026
U.S Department of Transportation
This dataset details passenger eligibility and requirements for Demand Response (DR) modes for each applicable agency and type of service (TOS) reported to the National Transit Database for Report Year 2023. NTD Data…
Updated Oct 25, 2026
U.S Department of Transportation
The NHTSA Component Test Database contains engineering data measured during various types of research.
Updated Oct 25, 2026
U.S Department of Transportation
Searchable list of cargo tank manufacturers and repair facilities.
Updated Oct 25, 2026
U.S Department of Transportation
The Federal Railroad Administration (FRA) sponsored a study of the work schedules and sleep patterns of railroad employees. The purpose of the study was to understand work-schedule related fatigue that affects various…
Updated Oct 25, 2026
U.S Department of Transportation
The Facility Inventory dataset details all facilities supporting public transit service as reported to the National Transit Database (NTD) by each public transit agency in the 2024 report year. This file is also…
Updated Oct 25, 2026
U.S Department of Transportation
R&D Database provides Vehicle Crash Test data, Biomechanics Test Data, and Component Test Data to support NHTSA's motor vehicle and traffic safety goals.
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 59 data collection runs, performed through the Federal Highway…
Updated Oct 25, 2026
U.S Department of Transportation
Long-term Pavement performance, construction, traffic, and environmental data for more than 2500 pavement sections in the United States and Canada. More than a dozen experimental designs address specially constructed…
Updated Oct 25, 2026
U.S Department of Transportation
The GIS Web Mapping Application is design to have the look and feel as Google Earth. The primary functionality is to provide the user information about FRA's rail lines, rail crossings, freight stations, and mileposting.
Updated Oct 25, 2026
U.S Department of Transportation
Manufacturers who determine that a product or piece of original equipment either has a safety defect or is not in compliance with Federal safety standards are required to notify the National Highway Traffic Safety…
Updated Oct 25, 2026
U.S Department of Transportation
NHTSA's Corporate Average Fuel Economy (CAFE) program requires manufacturers of passenger cars and light trucks, produced for sale in the U.S., to meet CAFE standards, expressed in miles per gallon (mpg). The purpose of…
Updated Oct 25, 2026
U.S Department of Transportation
The CIREN process combines prospective data collection with professional multidisciplinary analysis of medical and engineering evidence to determine injury causation in every crash investigation conducted.The mission of…
Updated Oct 25, 2026
U.S Department of Transportation
The Car Allowance Rebate System (CARS), otherwise known as Cash for Clunkers, was a program intended to provide economic incentives to United States residents to purchase a new and more fuel efficient vehicle when…
Updated Oct 25, 2026
