The Transportation Secure Data Center (TSDC) provides free access to detailed transportation data from a variety of travel surveys and studies. Data include global positioning system (GPS) readings for millions of miles of travel, along with vehicle characteristics and survey participant demographics.
Learn more about the TSDC.
Cleansed Data by State and Region
Use the map to access cleansed data from transportation studies and surveys by state. These data support applications that require detailed travel distance and/or speed information, but not detailed latitude and longitude spatial data.
Cleansed Data by All Criteria
To browse data from transportation studies and surveys by name, agency, date, and other criteria, use our searchable and sortable data table.