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Find a Commonwealth ResourceU.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
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
HPMS compiles data on highway network extent, use, condition, and performance. The system consists of a geospatially-enabled database that is used to generate reports and provides tools for data analysis. Information…
Updated Oct 25, 2026
U.S Department of Transportation
HPMS compiles data on highway network extent, use, condition, and performance. The system consists of a geospatially-enabled database that is used to generate reports and provides tools for data analysis. Information…
Updated Oct 25, 2026
U.S Department of Transportation
HPMS compiles data on highway network extent, use, condition, and performance. The system consists of a geospatially-enabled database that is used to generate reports and provides tools for data analysis. Information…
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 following ZIP files contain all of the Digital Enroute charts, except for Caribbean charts, for a given effective date range. Due to the large file sizes, it is best to download one zip file at a time using a…
Updated Oct 25, 2026
U.S Department of Transportation
The Federal Aviation Administration (FAA) digital-Visual Chart series is designed to meet the needs of users who require georeferenced raster images of FAA Visual Flight Rules (VFR) charts. An Aeronautical Raster Chart…
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
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
PHMSA collects Safety Program data solely for safety oversight purposes. The data does not imply any financial or legal relationship between operators. Safety Program data simply shows all operators implementing a…
Updated Oct 25, 2026
U.S Department of Transportation
The Chart Supplements are searchable by individual airport in PDF format. They contain data on public and joint use airports, seaplane bases, heliports, VFR airport sketches, NAVAIDs, communications data, weather data,…
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 Pedestrian Crash Data Study (PCDS) collected detailed data on motor vehicle vs pedestrian crashes.
Updated Oct 25, 2026
U.S Department of Transportation
The Pedestrian Crash Data Study (PCDS) collected detailed data on motor vehicle vs pedestrian crashes.
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 Freight Analysis Framework (FAF) integrates data from a variety of sources to create a comprehensive picture of freight movement among states and major metropolitan areas by all modes of transportation. With data…
Updated Oct 25, 2026
U.S Department of Transportation
The National Bridge Inventory (NBI) tracks the status, location, and structural health of all bridges on public roads in the U.S. Transportation agencies use the NBI to monitor infrastructure health, prioritize repairs…
Updated Oct 25, 2026
U.S Department of Transportation
The following files contain just the set of the Digital Visual charts that have changed during the previous 28 day cycle.
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
