California Department of Transportation

Caltrans GIS Data

We provide downloadable GIS data created by Caltrans in zipped shapefile format. The download link is located at the bottom of each data description page. Please read the description and data disclaimer prior to downloading. You can also interactively view data, create maps, and print out the results using our Preview Data Online mapping tools. If you are looking for GIS data sourced from departments other than Caltrans, please visit the California Geoportal or other related data sites to get the most recent datasets. Please contact us at caltrans.gislib@dot.ca.gov if you have any questions.


Preview Data Online:

Aviation Data List Highway Data List Rail Data List Administrative Boundaries

Aviation Data

Preview Interactive Aviation Data Online

Public Use Airports

California Public Use Airports (2016)
This layer represents the locations of California public use airports and airport functional classification.
Last Modified: April 11, 2016

Military Use Airports

California Military Use Airports
This layer presents the locations with general information for California Military Airports.
Last Modified: Dec. 30, 2012

Airport boundaries

California Airport Boundaries
This polygon feature class was created by Caltrans to display California public use airport boundaries.
Last Modified: July 30, 2013

Airport Runways

California Airport Runways
This line feature class is for cartographic purposes only to show the airport runways
Last Modified: April 3, 2011

Hospital Heliports

California Hospital Heliports (2015)
This is a point feature class of hospital heliports permitted by Caltrans' Division of Aeronautics.
Last Modified: January 16, 2015

AutoWeather

Automated Weather Observation Systems
This point feature class represents California’s Automated Weather Observation System locations for aviation.
Last Modified: February 23, 2016

Highway Data

Preview Interactive Highway Data Online

State Highway Network (SHN)

State Highway Network/Postmile System Represents of the state highways and postmile points at 0.1 mile intervals, based on Caltrans LRS data (September 4, 2015).
Last Modified: November 20, 2015

CRS

Unofficial Functional Classification
California Road System, the function classification information is unofficial and should only be used as a cross-reference.
Last Modified: January 6, 2016

NHS-Map21

Enhanced National Highway System
This layer was created under federal authorization MAP-21 and includs all existing Principal Arterials.
Last Modified: January 18, 2013

Express Lane

Express Lanes (2015)
Existing Express lanes, also known as High Occupancy Toll (HOT) lanes, located on the state highway system.
Last Modified: July 30, 2015

Truck Networks

Truck Network (2011)
Sanctioned routes for commercial truck traffic located on the state highway system.
Last Modified: November 16, 2012

High Occupancy Vehicle lanes

High Occupancy Vehicle Lanes (2015)
High Occupancy Vehicle lanes, or carpool lanes, located on the state highway system.
Last Modified: April 20, 2015

Park and Ride Lots

Park and Ride Lots
The locations of Commuter Park and Ride lots in California state highway system.
Last Modified: Januaryt 28, 2016

State Bridges

Bridges in California
California State Highway bridges and local government agencies owned bridges.
Last Modified: May 28, 2015

AADT

Traffic Volumes (AADT)
Annual Average Daily Traffic for all count locations on the state highway system (2010 - 2014).
Last Modified:July 28, 2015

Bottlenecks

Bottlenecks (2010 - 2012)
The bottleneck line segments of heavy congestion during peak AM and PM periods on the state highway network.
Last Modified: March 11, 2016

TruckAADT

Truck Traffic Volumes (Truck AADT)
Truck Traffic Volumes for selected locations on the California State Highway System (2010 - 2014).
Last Modified:November 30, 2015

Scenic Highways

California Scenic Highways
California Eligible and Officially Designated scenic highway routes designated by the California Scenic Highway Program..
Last Modified: November 20, 2015

STIP

State Transportation Improvement Program
2014 STIP includes four feature classes that represent all capital improvements projects that are currently programmed.
Last Modified: December 5, 2014

Rest Areas

Highway Safety Roadside Rest Areas
This layer represents the point locations of California highway Safety Roadside Rest Areas.
Last Modified: August 12, 2015

Weight Station

Commercial Vehicle Enforcement Facilities
CVEF point feature class represents the locations of Commercial Vehicle Enforcement Facilities (weight stations).
Last Modified: August 12, 2015

Vista

California Vista Points
The locations of vista points on California state highway network.
Last Modified: August 12, 2015

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Rail Data

California rail transportation related data, including rail network components, routes and stations, rail facilities, passenger and freight rail systems. Preview Interactive Rail Data Online

Rail data reference link: 2013 California State Rail Plan in PDF file is available at website: http://californiastaterailplan.dot.ca.gov/

Railroad Routes

California Rail Network
Contains alignment for passenger and freight railroad lines, including commuter rail and heavy rail.
Last Modified: Oct. 31, 2013

Railroad Milepost

California Rail Milepost
This data represents the milepost locations along freight and passenger network subdivisions listed in the CRT20.
Last Modified: Oct. 31, 2013

Railroad Tunnels

California Tunnel Segments
The tunnel segments on the California rail network
Last Modified: Oct. 31, 2013

Highway-Rail Crossings

Highway-Rail Crossings
The crossing points feature class was created from California Public Utilities Commission inventory database.
Last Modified: Oct. 31, 2013

Railroad Stations

California Passenger Rail Stations
All passenger and commuter rail stops, including Amtrak thruway bus stops, and identifies intermodal transit stops.
Last Modified: Oct. 31, 2013

Amtrak Thruway Bus System

Amtrak Thruway Routes and Stations
Amtrak Thruway Bus system operates in conjunction with the three Amtrak train routes in California.
Last Modified: Oct. 31, 2013

BART

BART Routes and Stations
The data layers represent the Bay Area Rapid Transit (BART) system serving the San Francisco Bay Area.
Last Modified: Oct. 31, 2013

Passenger System

Passenger Rail System by Services:
  Commuter Routes and Stations
  Intercity Routes and Stations
  Interstate Routes and Stations
Last Modified: Oct. 31, 2013

Freight Intermodal

California Freight Intermodal
Intermodal rail terminals on the freight network, where the locations move freight from ship to rail or truck.
Last Modified: Oct. 31, 2013

Major Truck Traffic

California Railroad Facilities:
  California Major Transfer Facilities
  Classification Yards in California
Last Modified: Oct. 31, 2013

Rail Maintenance Facilities

Freight and passenger maintenance facilities in California
The points represent the freight and passenger maintenance facilities.
Last Modified: Oct. 31, 2013

Ports of Entry

Ports of Entry along USA/Mexico Border
The locations of the port of entry include both existing and future ports.
Last Modified: Oct. 31, 2013

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Administrative Data

Preview Interactive Administrative Data Online

Caltrans Districts)

Caltrans Districts
The feature classes represent the boundaries of Caltrans Districts, including Caltrans Regions boundaries.
Last Modified: March 7, 2016

Adjusted Urban Areas)

2010 Adjusted Urban Areas
The current Federal Highway Administration (FHWA) approved Caltrans adjusted urban area boundaries in California.
Last Modified: December 6, 2013

MPO

California Metropolitan Planning Organizations (MPO)
This GIS file represents the MPO legislative boundaries in California.
Last Modified: April 18, 2014

RTPA)

California Regional Transportation Planning Agencies (RTPA)
This GIS file represents the RTPA legislative boundaries in California.
Last Modified: April 18, 2014

City Boundaries)

California City Boundaries (2015)
California city boundary GIS file is created by utilizing the city boundary lines from California Tax Area Services Section (TASS) database for mapping purposes.
Last Modified: December 22, 2015

Other data and links:

  • Caltrans Earth:http://earth.dot.ca.gov/
  • California Geoportal: http://portal.gis.ca.gov
  • Census download interface for the 2010 TIGER/Line Shapefiles: http://www.census.gov/cgi-bin/geo/shapefiles2010/main
  • The home of the U.S. Government’s open data: https://www.data.gov/
  • CDFW GIS Clearinghouse: http://www.dfg.ca.gov/biogeodata/gis/map_services.asp
  • Air Resources Board (ARB) GIS Library: http://www.arb.ca.gov/ei/gislib/gislib.htm
  • NOAA Coastal Imagery Viewer:Geo-referenced imagery of the entire West Coast collected Feb 6-9, 2016.
  • California port or seaport data source:The World Port Source

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    Last Update: August 22, 2016