Caltrans Open Data Inventory

Caltrans shares its data on the CA Open Data Portal, a central resource for California State government public datasets. The portal is designed to promote transparency, foster innovation, and support informed decision-making across the state.

Each dataset published by Caltrans includes comprehensive metadata and a detailed data dictionary. This documentation provides users with key information such as update frequency and the contact details of the responsible data steward. Caltrans data documentation standards are maintained by Caltrans’ Enterprise Data and Geospatial Governance Program (CTDATA).

For questions regarding specific datasets available on the CA Open Data Portal, users are encouraged to contact the responsible data steward listed in the dataset's metadata. For general inquiries about Caltrans data, please reach out via email to CTDATA@dot.ca.gov.