California Freeway and Expressway System

California Freeway and Expressway System
Standard route signage in California for (from left-to-right) an Interstate Highway, a U.S. Highway, and a State Route
Map of the system
Highway names
InterstatesInterstate XX (I-XX)
US HighwaysU.S. Route XX (US XX)
StateState Route XX (SR XX)
System links

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.