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Caltrans GIS Data Portal

This is a rich set of data available from CalTrans – not limited only to Transportation data:


Transportation Layer Themes…

  • Road Base
  • Map images
  • Bus/Transit
  • Freight/Ports
  • Airports
  • Projects
  • California Interregional Blueprint (CIB)

Caltrans GIS Coordinators List (updated 7/2014)- click here.


More, from the website:

How to View the metadata:

  1. Choose Metadata Display Style:
  2. Click on Metadata Button next to the data you wish to read about.
    Note: A new window will popup with the metadata. You must turn off any popup/javascript blocking software.
    Disclaimer: Metadata with a Metadata Net Link Button net link button will take you to another site not maintained by Caltrans.

How to Save the metadata:

  1. Right click on the metadata button.
  2. Choose “Save Target As” and save it on your computer.
    Note: Saving the metadata does not save the stylesheet. The saved metadata will be in raw XML format.

Metadata is in FGDC compliant format.

The Caltrans GIS Data Library is available in ESRI shapefile format.

Shapefiles are organized by their extents, indicated as follows: S-Image for State, D-Image for District, and C-Image for County
Press Preview Button to view data sample.

The files listed below are from the GIS Data library catalog that are available for the general public upon request. Caltrans employees should contact their District GIS Coordinator PDF Document concerning access to the data. Non-Caltrans users can access some of the more widely used transportation data and other Non-Caltrans files from the State of California Geoportal:  Geoportal.

The REVIEWED column indicates whether older (4 years +) data has been actively reviewed. Unreviewed data is indicated by ‘no review’.

Data that is new or has been updated in the last 3 months since the last time the page was updated is highlighted with orange.

For comments or data requests please click the form button next to the file of inquiry.
The request/comment form will be submitted to the Office of GIS, Data Branch, and a representative will reply within a couple of days.
For all other comments or data requests to GIS Data Branch


Using GIS Data on this site

GIS Data downloaded from this site generally requires GIS software to view. Click here for a list of GIS Data Viewers

GIS data available on this website is provided AS IS - please read the GIS Data Portal Terms of Use

Data Field Descriptions

GIS Source Information
Database Name:
Feature Class Name:
Feature Dataset Name (if applicable):
Reference Date:
Accuracy: TIGER
Update Frequency: Unknown
Access Constraints:None

Contact Information
Jay Satalich
GIS Coordinator (District 7)
State of California
Department of Transportation (CalTrans)


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