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38 datasets

High Occupancy Vehicle

  • Published by: Caltrans
  • Last updated: Sunday, April 27, 2025
  • 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: Sunday, April 27, 2025
  • 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: Sunday, April 27, 2025
  • 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...

National Highway System

  • Published by: Caltrans
  • Last updated: Sunday, April 27, 2025
  • File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

The National Highway System consists of a network of roads important to the economy, defense and mobility. On October 1, 2012 the existing National Hi...

Highway Rail Crossing

  • Published by: Caltrans
  • Last updated: Sunday, April 27, 2025
  • File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

The PUC data contains a [grade] attribute that allows for the isolation of at-grade crossings. There are 10,478 at-grade records in the most recent PU...

Automated Weather Observation System

  • Published by: Caltrans
  • Last updated: Sunday, April 27, 2025
  • File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This layer was created from the California Aviation System Plan list of Automated Weather Observation Systems. The upgrades and distribution of Automa...

State Highway Network Lines

  • Published by: Caltrans
  • Last updated: Sunday, April 27, 2025
  • File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

StateHighways is used to display state highways on a digital map display. Each record represents a segment of California state highway where the count...

State Highway Network Postmiles Tenth

  • Published by: Caltrans
  • Last updated: Sunday, April 27, 2025
  • File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Postmiles is used to display postmile locations on a digital map display, or to query for the purposes of finding a specific location reference by cou...