California Department of Transportation

Division of Research, Innovation and System Information


Caltrans Division of Research, Innovation and System Information provides solutions and knowledge that improve California's transportation system. More...


Research Reports and Summaries

Preliminary Investigations are literature reviews that provide a comprehensive overview of historical and existing national and international research and best practices for defined research needs. Research Notes  provide an overview of the research in progress to a general audience. Final Reports document the executed methodology, detailed findings, and technical analysis for completed research tasks. Research Results are two-page briefs written for the general audience to quickly and concisely communicate the results of completed research tasks. The Annual Report highlights the research program's yearly achievements, activities, and research results.


Contact Us

P.O. Box 942873
Sacramento, CA 94273-0001

Division Chief:
Jim Appleton
(916) 654-8877


Information Contact:
DRISI Communications
(916) 654-8899