2019 Climate Change Vulnerability Assessments

These Summary Reports and associated Technical Reports describe climate change effects in each of Caltrans’ 12 districts. The Summary Reports provided a high-level review of potential climate impacts to each district’s portion of the State Highway System, while the Technical Reports present detail on the technical processes used to identify these impacts.

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District 2 December 17, 2018

Redding: Lassen, Modoc, Plumas, Shasta, Siskiyou, Tehama, and Trinity Counties

District 3 November 21, 2019

Marysville / Sacramento: Butte, Colusa, El Dorado, Glenn, Nevada, Placer, Santa Clara, Sacramento, Sierra, Sutter, Yolo and Yuba Counties

District 4 December 27, 2017

Bay Area / Oakland: Alameda, Contra Costa, Marin, Napa, San Francisco, San Mateo, Santa Clara, Solano and Sonoma Counties

District 5 October 2019

San Luis Obispo / Santa Barbara: Santa Barbara, San Luis Obispo, Monterey, San Benito and Santa Cruz Counties

District 6 December 17, 2018

Fresno: Fresno, Kern, Kings, Madera, and Tulare Counties

District 10 November 21, 2019

Stockton: Alpine, Amador, Calaveras, Mariposa, Merced, San Joaquin, Stanislaus and San Tuolumne Counties