California Department of Transportation

Division of Audits and Investigations

Contact Us


For more information about the California Department of Transportation’s Audits & Investigations Division, please utilize these contact information below.

Department Address:
Department of Transportation
Audits and Investigations MS – 2
1304 O Street, Suite 200
Sacramento, CA 95814

Mail Station 2
Post Office Box 942874
Sacramento, CA 94274-0001

General Information Telephone Number:     (916) 323-7111