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16 datasets
Truck Average Daily Traffic
- Published by: Caltrans
- Last updated: Wednesday, July 29, 2026
- File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML
Annual average daily traffic is the total volume for the year divided by 365 days. The truck count year is from October 1st through September 30th. Ve...
High Occupancy Vehicle
- Published by: Caltrans
- Last updated: Wednesday, July 29, 2026
- File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML
High-Occupancy Vehicle (HOV) lane, also known as the carpool or diamond lane, is a traffic management strategy to promote and encourage ridesharing; t...
Park and Ride
- Published by: Caltrans
- Last updated: Wednesday, July 29, 2026
- File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML
Park and Ride Lots offer a convenient and safe location to transfer from a single passenger vehicle to a local or regional transit bus, carpool, or va...
Local Bridges
- Published by: Caltrans
- Last updated: Wednesday, July 29, 2026
- File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML
The bridge inventory data was obtained from Caltrans Structure Maintenance and Investigations (SM&I) Database as of 03/12/2024. Bridge inspectors ...
Hydrogen Fueling Network Site Status
- Published by: Caltrans
- Last updated: Wednesday, July 29, 2026
- File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML
This dataset supports a ArcGIS Dashboard created for the Statewide Hydrogen Fueling Infrastructure Framework and a Zero-Emission Technology Adoption T...
Express Lanes
- Published by: Caltrans
- Last updated: Wednesday, July 29, 2026
- File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML
The California HOV/Express Lane Business Plan is a framework for Caltrans and its partners to focus statewide activity during 2009-2011 that will lead...