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38 datasets
Truck Average Daily Traffic
- Published by: Caltrans
- Last updated: Thursday, February 26, 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...
Annual Average Daily Traffic
- Published by: Caltrans
- Last updated: Thursday, February 26, 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 traffic count year is from October 1st through September 30th. ...
State Highway System Intersection
- Published by: Caltrans
- Last updated: Thursday, February 26, 2026
- File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML
As part of the Transportation System Network Replacement Project (TSNR), Highway Inventory module data migration, it was determined Caltrans would be ...
Commercial Vehicle Enforcement Facilities
- Published by: Caltrans
- Last updated: Thursday, February 26, 2026
- File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML
A Commercial Vehicle Enforcement Facility (CVEF) commonly called a Weigh Station (WS) is a checkpoint typically located directly off the State highway...
Airport Boundaries
- Published by: Caltrans
- Last updated: Thursday, February 26, 2026
- File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML
California Department of Transportation (Caltrans), Division of Transportation Planning, Aeronautics Program provided airport layout drawings with est...
California All Public Roads Network
- Published by: Caltrans
- Last updated: Thursday, February 26, 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...
2020 Adjusted Urban Area
- Published by: Caltrans
- Last updated: Thursday, February 26, 2026
- File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML
Caltrans is responsible for the decennial production of the Adjusted Urban Area Boundaries for the State of California. The CA 2020 adjusted urban are...
High Occupancy Vehicle
- Published by: Caltrans
- Last updated: Thursday, February 26, 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...
Express Lanes
- Published by: Caltrans
- Last updated: Thursday, February 26, 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...
Rail Lines BNSF, UPRR
- Published by: Caltrans
- Last updated: Thursday, February 26, 2026
- File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML
The objective is to delineate potential crude by rail routes across California, focusing on a subset of the Caltrans "California Rail Network" dataset...