Transportation
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54 datasets
Truck Average Daily Traffic
- Published by: Caltrans
- Last updated: Tuesday, April 14, 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...
Safety Roadside Rest Areas
- Published by: Caltrans
- Last updated: Tuesday, April 14, 2026
- File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML
Caltrans provides Safety Roadside Rest Areas as a part of the State Highway System pursuant to Streets and Highways Code, Sections 218-226.5. Safety R...
Active Transportation Count Dataset
- Published by: Caltrans
- Last updated: Wednesday, February 18, 2026
- File types: PDF, XLSX, CSV
The Pedestrian and Bicycle Count Dataset documents non motorized traffic on state highways, originating from Caltrans district pilots initiated in 202...
2023 Named Freeways, Highways, Structures and Other Appurtenances in California
- Published by: Caltrans
- Last updated: Friday, November 14, 2025
- File types: CSV
Named Freeways, Highways, Structures and Other Appurtenances in California Publication Named Freeways, Highways, Structures and Other Appurtenances in...
Early Development Project List
- Published by: Caltrans
- Last updated: Friday, October 31, 2025
- File types: CSV, EXCEL (XLSX)
The project list serves as a resource to the public, stakeholders, and local communities to provide information on ongoing transportation projects cur...
California All Public Roads Network
- Published by: Caltrans
- Last updated: Tuesday, April 14, 2026
- File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML
The Caltrans All Roads Linear Referencing Services (LRS) dataset provides the base geometry for federally required Highway Performance Monitoring Syst...
California Metropolitan Planning Organization (MPO)
- Published by: Caltrans
- Last updated: Tuesday, April 14, 2026
- File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML
This dataset contains the geographic boundaries of Metropolitan Planning Organizations (MPO) and is intended for metropolitan area multimodal transpor...
Regional Transportation Planning Agencies
- Published by: Caltrans
- Last updated: Tuesday, April 14, 2026
- File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML
The RTPA polygon feature class provides California Regional Transportation Planning Agencies (RTPA) legislative boundaries, primarily for regional pla...
State Highway Network Lines
- Published by: Caltrans
- Last updated: Tuesday, April 14, 2026
- File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML
StateHighways are state highways based upon the Caltrans Linear Referencing System. Each record in this layer represents a highway segment where the c...
State Highway Network Postmiles Tenth
- Published by: Caltrans
- Last updated: Tuesday, April 14, 2026
- File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML
Postmiles are valid postmile points at 0.1 (1/10th) mile intervals, based on the Caltrans Linear Referencing System. Exceptions that are included are ...