The California Freeway and Expressway System is a system of existing or planned freeways and expressways in the U.S. state of California. It encompasses both State highways and federal highways in California. It was defined by Article 2 (commencing with section 250) of Chapter 2 of Division 1 of the Streets and Highways Code. which was originally added by Chapter 1062 of 1959.

List of roads in the system

The following is a list of roads defined by the Streets and Highways Code, sections 250–257, as part of the California Freeway and Expressway System. Some of the routes listed may still be in the planning stages of being fully upgraded to freeways or expressways.