Caltrans' Environmental GIS Viewer

Caltrans' Environmental GIS Viewer is a customized application tailored to the needs of the environmental community at Caltrans. The goals of this website are to provide a quick access to environmental spatial information to the users to assist them with spatial analysis and to provide crucial information regarding resources that are located within the boundaries of a planned project. Caltrans Environmental GIS Viewer was developed and maintained by the HQ Division of the Environmental Analysis, GIS staff.

Accessibility Assistance: Caltrans makes every attempt to ensure our documents are accessible. Due to variances between assistive technologies, there may be portions of this document which are not accessible. Where documents cannot be made accessible, we are committed to providing alternative access to the content. Should you need additional assistance, please contact us at (916) 538-4136 or visit https://dot.ca.gov/request-ada-compliant-documents.

There is limited functionality when using Firefox web browser on this website. The maps and data are made available to the public solely for informational purposes. Information provided via the Caltrans' Environmental GIS Viewer website is accurate to the best of our knowledge and is subject to change on a regular basis, without notice. While Caltrans makes every effort to provide useful and accurate information, we do not warrant the information to be authoritative, complete, factual, or timely. Information is provided on an "as-is" and as "as-available" basis. The Department of Transportation is not liable to any party for any cost or damages, including any direct, indirect, special, incidental, or consequential damages arising out of, or in connection with, the access or use of, or the inability to access or use, the Site or any of the Materials or Services described herein.

Note: Caltrans Districts Boundaries layer is on by default. Click to remove it.

Dark mode: Off On

Dyslexia mode: Off On

Audible Map mode: Off On

NVDA screen reader is suggested for the audible map mode

Title:

Layout:

Format:

Optional fields

Print quality (DPI):

Layout Metadata:

Author:

Select type of layer to add

Shapefile

Feature Layer

Add Layers from Webmap

Query

Reset Entries

Clear Graphics

Filter by geometry

Filter by point

Filter by line

Filter by polygon

Spatial relationship:

Set a geometry buffer size (miles):

Clear filter

Buffer around found location?

Plot it

Clear Entries

Clear PM Buffer Layers

PM Ranges for:

Enter the coordinates to find the PM info of the location(s). If you wish to increase/decrease the search from the location of the coordinates, enter a new tolerance.
Default tolerance is 32 feet (10 meter) from the coords entered. The results will display a red dot which indicates the location of the typed coords, and the green flags which indicate the result(s)

Enter Tolerance:

Latitude:

Longitude:

Ending Location

End Lat:

End Long:

Plot It

Clear Entries

Clear Graphics

Multiple Results found for Beg. and End XY

Optional fields

Select type of layer to add

Locate PM from Click on Map

Locate Spot/Segment from PM

Specify project limits for a:

Ending Location

Locate Spot/Segment from Coords

Select an option:

Ending Location

Search for Route