The Transportation Secure Data Center (TSDC) provides free access to detailed transportation data from hundreds of travel and transit surveys and studies.
Learn more about the TSDC.
Cleansed Data
Easily search, filter, and browse data from hundreds of transportation studies and surveys.
Spatial Data
An application is required to access latitude and longitude spatial data from transportation studies and surveys.
Cleansed Household Travel and Transit Passenger Data by State and Region
Use the map to view available travel and transit data by state and region. Cleansed data support applications that require detailed travel distance and/or speed information at aggregated geographies such as census tracts or zip codes, but not latitude and longitude spatial data.
Survey Results
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Last Updated May 13, 2025