The state highway system of the U.S. state of California is a network of highways that are owned and maintained by the California Department of Transportation.
Route shield signs at the intersection of SR 123 and SR 13 in Berkeley
Signage at the 110 Freeway interchange in Los Angeles, with the leftmost sign for US 101 north listing both its name, the Hollywood Freeway, as well as its destination, Ventura
Signage at the Interstate 80 interchange in San Francisco, with the leftmost sign for US 101 north only listing its destination, the Golden Gate Bridge
California State Route 1 road sign
The Dwight D. Eisenhower National System of Interstate and Defense Highways, commonly known as the Interstate Highway System, or the Eisenhower Interstate System, is a network of controlled-access hig
State highways in California
…of these are numbered in a statewide system, and are known as State Route X (abbreviated SR X). United States Numbered Highways are labeled US X, and Interstate Highways are Interstate X. Under the code, the state assigns a unique Route X to each highway, and does not differentiate between state, US, or Interstate…
I‑55 under construction in Mississippi in May 1972
A 1957 aerial photograph showing a recently constructed interchange on I-5 in Glendale, California
A commemorative sign introduced in 1993. The system was established during Dwight D. Eisenhower's presidency, and the five stars commemorate his rank as General of the Army during World War II.
The fervor of urban renewal led to the routing of Interstate 81 through the middle of Syracuse's 15th ward in the 1960s. The viaduct is now slated for demolition.