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40 datasets

Regional Transportation Planning Agencies

Published by: Caltrans
Last updated: Sunday, February 15, 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...

Active Transportation Count Dataset

Published by: Caltrans
Last updated: Thursday, January 22, 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...

California All Public Roads Network

Published by: Caltrans
Last updated: Sunday, February 15, 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...

Major Traffic Generators

Published by: Caltrans
Last updated: Sunday, February 15, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

The locations of major generators were identified from listed data holdings and located using ESRI base map imagery at a scale of 1:10,000....

Rail Lines BNSF, UPRR

Published by: Caltrans
Last updated: Sunday, February 15, 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...

State Highway Bridges

Published by: Caltrans
Last updated: Sunday, February 15, 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 ...

State Highway Network Postmiles Tenth

Published by: Caltrans
Last updated: Sunday, February 15, 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 ...

State Highway Network Lines

Published by: Caltrans
Last updated: Sunday, February 15, 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 System Intersection

Published by: Caltrans
Last updated: Sunday, February 15, 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 ...

California Rail Stations

Published by: Caltrans
Last updated: Sunday, February 15, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

The rail stations in California existing passenger rail system. All station information was compiled from Amtrak Operating Timetable 45 and commuter r...