California State Route 1

California State Route 1 Is A North-South State Highway In California That Runs Along Most Of The Pacific Coastline. At A Total Of Just Over 655.8 Miles, It Is The Longest State Route. The State Route Has Several Portions Designated As Either Pacific Coast Highway, Cabrillo Highway, Shoreline Highway Or Coast Highway. It's Southern Terminus Is At Interstate 5 Near Dana Point In Orange County And It's Northern Terminus Is At U.S. Route 101 Near Leggett In Mendocino County. The State Route Is Also At Times Which Runs Concurrently With US 101, Most Notably Through A 54-Mile Stretch In Ventura And Santa Barbara Counties, And Across The Golden Gate Bridge.

The Highway Is Designated As An All-American Road. In Addition To Providing A Scenic Route To Numerous Attractions Along The Coast, The Route Also Serves As A Major Thoroughfare In The Greater Los Angeles Area, The San Francisco Bay Area And Several Other Coastal Urban Areas. California State Route 1 Was Built Piecemeal In Various Stages, With The First Section Opening In The Big Sur Region In The 1930s. However, Portions Of The Route Had Several Names And Numbers Over The Years As More Segments Opened. It Was Not Until The 1964 State Highway Renumbering That The Entire Route Was Officially Designated At State Route 1. Although It Is A Popular Route For It's Scenic Beauty, Frequent Landslides And Erosion Along The Coast Have Caused Several Segments To Be Either Closed For Lengthy Periods For Repairs, Or Re-Routed Inland.

Route Information
Defined By Streets And Highways Code 301

Maintained By Caltrans

Length: 655.845 Miles

Existed: 1934 - Present

Tourist Routes: Route One, Big Sur Coast Highway And Route One, San Luis Obispo North Coast Byway

Restrictions: Special Restrictions

Major Junctions
South End: Interstate 5 In Dana Point

California State Route 55 In Newport Beach

Interstate 10 In Santa Monica

California State Route 34 In Oxnard

California State Route 46 Near Cambria

California State Route 68 In Monterey

California State Route 17 In Santa Cruz

Interstate 280 In Daly City

California State Route 20 Near Fort Bragg

North End: U.S. Route 101 Near Leggett