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43 datasets

High Quality Transit Stops

  • Published by: Caltrans
  • Last updated: Saturday, August 16, 2025
  • File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Use GTFS schedule trips, stop_times, shapes, and stops to estimate whether corridor segments have scheduled headways of 20 minutes or less....

Park and Ride

  • Published by: Caltrans
  • Last updated: Saturday, August 16, 2025
  • 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...

Average Transit Speeds by Stop

  • Published by: Caltrans
  • Last updated: Saturday, August 16, 2025
  • File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

All day and peak transit 20th, 50th, and 80th percentile speeds on stop segments estimated on a single day for all CA transit operators that provide G...

Automated Weather Observation System

  • Published by: Caltrans
  • Last updated: Saturday, August 16, 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...

Truck Average Daily Traffic

  • Published by: Caltrans
  • Last updated: Saturday, August 16, 2025
  • 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: Saturday, August 16, 2025
  • 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. ...

Commercial Vehicle Enforcement Facilities

  • Published by: Caltrans
  • Last updated: Saturday, August 16, 2025
  • 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...

2022 Named Freeways, Highways, Structures and Other Appurtenances in California

  • Published by: Caltrans
  • Last updated: Friday, December 13, 2024
  • File types: CSV

Named Freeways, Highways, Structures and Other Appurtenances in California Publication Named Freeways, Highways, Structures and Other Appurtenances in...

Regional Transportation Planning Agencies

  • Published by: Caltrans
  • Last updated: Saturday, August 16, 2025
  • 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...

National Highway System

  • Published by: Caltrans
  • Last updated: Saturday, August 16, 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...