State Route 1 is a major north–south state highway that runs along most of the Pacific coastline of the U.S. state of California. At a total of just over 656 miles, it is the longest state route in California, and the second-longest in the US after Montana Highway 200.
Length: 655.8 mi
Constructed: 1934
North end: US 101 near Leggett
South end: I-5 in Dana Point
Highway system: State highways in California, California State Highway System
Major cities: San Francisco, Santa Monica, Santa Cruz
*Map
https://goo.gl/maps/An6711EVjBSVv5Qi9