List of U.S. Routes in California

United States Numbered Highways in California
Highway markers for US 6, US 95, and US 101
Highway names
Interstates:	Interstate XX (I-XX)
US Highways:	U.S. Route XX (US XX)
State:	State Route XX (SR XX)
System links
State highways in California Interstate U.S. State Pre-1964 History Unconstructed Deleted Freeway Scenic

This is a list of U.S. Routes in the U.S. state of California. It includes routes that were defined by the California State Legislature but never built, as well as routes that have been entirely relinquished to local governments. It also includes the routes that were decommissioned during the 1964 state highway renumbering.

Each U.S. Route in California is maintained by the California Department of Transportation (Caltrans) and is assigned a Route (officially State Highway Route) number in the . Under the code, the state assigns a unique Route X to each highway, and does not differentiate between state, US, or Interstate highways.

Westbound at the bottom of the 1947 grade to Echo Summit on US 50

A section of old US 80 (Wildwood Glen Lane) now closed to vehicular traffic west of Descanso Junction

US 101 northbound as it enters downtown Los Angeles

US 395 descending into Owens Valley from the Sierra Nevada, just north of Bishop