La Cienega Boulevard
Overview
 
La Cienega Boulevard is a major, well-known north–south arterial road
Arterial road
An arterial road, or arterial thoroughfare, is a high-capacity urban road. The primary function of an arterial road is to deliver traffic from collector roads to freeways, and between urban centres at the highest level of service possible. As such, many arteries are limited-access roads, or feature...

 that runs between El Segundo Boulevard in El Segundo, California
El Segundo, California
El Segundo is a city in Los Angeles County, California, United States. Located on the Santa Monica Bay, it was incorporated on January 18, 1917, and is one of the Beach Cities of Los Angeles County and part of the South Bay Cities Council of Governments...

 on the south and the Sunset Strip
Sunset Strip
The Sunset Strip is the name given to the mile-and-a-half stretch of Sunset Boulevard that passes through West Hollywood, California. It extends from West Hollywood's eastern border with Hollywood at Harper Avenue, to its western border with Beverly Hills at Sierra Drive...

/Sunset Boulevard
Sunset Boulevard
Sunset Boulevard is a street in the western part of Los Angeles County, California, that stretches from Figueroa Street in downtown Los Angeles to the Pacific Coast Highway at the Pacific Ocean in the Pacific Palisades...

 in West Hollywood
West Hollywood, California
West Hollywood, a city of Los Angeles County, California, was incorporated on November 29, 1984, with a population of 34,399 at the 2010 census. 41% of the city's population is made up of gay men according to a 2002 demographic analysis by Sara Kocher Consulting for the City of West Hollywood...

.

It is unusual among most Southern California
Southern California
Southern California is a megaregion, or megapolitan area, in the southern area of the U.S. state of California. Large urban areas include Greater Los Angeles and Greater San Diego. The urban area stretches along the coast from Ventura through the Southland and Inland Empire to San Diego...

 roadways in that part of it was built to freeway standards in the late 1940s as part of the proposed Laurel Canyon Freeway, part of State Route 170. The SR 170 freeway was never completed south of U.S.
 
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