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Find a Commonwealth ResourceU.S Department of Transportation
To assist consumers purchasing new vehicles or replacement tires, NHTSA has rated more than 2,400 lines of tires, including most used on passenger cars, minivans, SUVs and light pickup trucks using a grading system…
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
Miles of the National Highway System (NHS) by functional system for each of the 50 states, DC, and Puerto Rico from FHWA Highway Statistics table HM-41.
Updated Oct 25, 2026
U.S Department of Transportation
Provides fare premiums for airports in the top 1,000 city pairs, and demonstrates the impact of low-fare service and hub domination on fare levels. All records are aggregated as directionless city pair markets. Air…
Updated Oct 25, 2026
U.S Department of Transportation
Information on the implementation dates of an active or pending insurance policy (posted date, effective date and cancel effective date). In addition to these dates, the record contains the insurance company name, the…
Updated Oct 25, 2026
U.S Department of Transportation
The Traffic Volume Trends montly report is a natinal data report that provides quality controlled vehicle miles traveled data for each State for all roadways
Updated Oct 25, 2026
U.S Department of Transportation
The entire National Highway-Rail Crossing Inventory is available in three separate downloadble files. There is a file of all current Public-at-Grade crossings. There is a file of all current Private and grade-separated…
Updated Oct 25, 2026
U.S Department of Transportation
The Technical Service Bulletins data contains summaries of the Manufacturers' Technical Service Bulletins by single year, make and model. An optional item of Vehicle Component may be also available. (The data does not…
Updated Oct 25, 2026
U.S Department of Transportation
RAISE Program Persistent Poverty Dataset.
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 Biomechanics Test Database is a repository of experimental data used by NHTSA for developing Anthropomophic Test Devices and associated Injury Criteria. The data is disseminated via this website for use by…
Updated Oct 25, 2026
U.S Department of Transportation
PHMSA regulations in 49 CFR Part 199 require operators of pipelines, liquefied natural gas plants, and underground natural gas storage facilities to submit data to the DOT DAMIS. Operators with less than 50 covered…
Updated Oct 25, 2026
U.S Department of Transportation
Tire Pressure Special Study (TPSS) was conducted in order to obtain data to draft FMVSS 138, NVS-432.
Updated Oct 25, 2026
U.S Department of Transportation
The SaferBus API is a RESTful service API provided by FMCSA for the purpose of making available, the safety performance data of U.S. Department of Transportation (U.S. DOT) registered bus companies. The primary goal is…
Updated Oct 25, 2026
U.S Department of Transportation
Complaint information entered into NHTSA-ODI's vehicle owner's complaint database is used with other data sources to identify safety issues that warrant investigation and to determine if a safety-related defect trend…
Updated Oct 25, 2026
U.S Department of Transportation
This Web site is designed to inform passenger carriers and the traveling public about the Federal Motor Carrier Safety Administration's passenger carrier program and regulations.
Updated Oct 25, 2026
U.S Department of Transportation
The reports listed below are designed to provide information focused on hazardous materials and carriers and the hazardous materials safety permit program. All reports provide options to choose fiscal or calendar year,…
Updated Oct 25, 2026
U.S Department of Transportation
This a list of active and inactive railroads, companies, and other organizations related to railroad operations. Organization Type ID = 1 designates a railroad; 4 designates a non-railroad organization (e.g. company,…
Updated Oct 25, 2026
U.S Department of Transportation
The Not-in-Traffic Surveillance (NiTS) system is a virtual data collection system designed to provide counts and details regarding fatalities and injuries that occur in non-traffic crashes and in non-crash incidents.…
Updated Oct 25, 2026
U.S Department of Transportation
The Child Safety Seat Inspection Station Locations are used to make it easier for all citizens to get their Child Safety Seats properly installed. Car crashes are the largest cause of fatalities and serious injuries for…
Updated Oct 25, 2026
