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U.S. Route 101 Alternate (Los Angeles, California)

State Route 1 marker

State Route 1
Map of California with SR 1 highlighted in red
Route information
Defined by
Maintained by Caltrans
Length: 655.845 mi (1,055.480 km)
(broken into 5 pieces by U.S. Route 101)
Existed: 1934 – present
Tourist
routes:
Route One, Big Sur Coast Highway and Route One, San Luis Obispo North Coast Byway
Restrictions:
Major junctions
South end: I-5 in Dana Point
 
North end: US 101 near Leggett
Highway system
I-980 SR 2

State Route 1 marker

State Route 1 (SR 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 655.8 miles (1,055.4 km), it is the longest state route in California. Highway 1 has several portions designated as either Pacific Coast Highway (PCH), Cabrillo Highway, Shoreline Highway, or Coast Highway. Its southern terminus is at Interstate 5 (I-5) near Dana Point in Orange County and its northern terminus is at U.S. Highway 101 (US 101) near Leggett in Mendocino County. Highway 1 also at times runs concurrently with US 101, most notably through a 54-mile (87 km) 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.


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