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The Imperial Highway is a west-east thoroughfare in the counties of Los Angeles, Orange, San Diego, and Imperial in California. The main portion of the existing route begins at Vista Del Mar in Los Angeles near the Los Angeles International Airport and ends at the Anaheim - Orange line at Via Escola where it becomes Cannon Street. Formerly, the Route used to extend from Vista Del Mar to Calexico, where a portion of the highway still exists, but the Route was replaced with other highways, rendering the older portions of the Imperial Highway to fall out of use.
|Length||105 mi (169 km)|
|South end||I-8 / SR 98|
|North end||Vista Del Mar in Playa Del Rey|
|County routes in California
The total length of the Greater Los Angeles portion of the Imperial Highway is approximately 41 miles (66 km), of which 14 miles (23 km) run through Orange County and 27 miles (43 km) through Los Angeles County.
East to west, the highway passes through the cities of Anaheim, Yorba Linda, Placentia, Brea, Fullerton, La Habra, La Mirada, Santa Fe Springs, Norwalk, Downey, South Gate, Lynwood, Los Angeles Inglewood, Hawthorne, and El Segundo. Imperial Highway also passes through the neighborhoods of Watts, South Los Angeles, and Westchester.
Along its route, Imperial Highway crosses over or under these freeways from west to east:
Interstate 105, Interstate 405, Interstate 110, Interstate 710, Interstate 605, Interstate 5, California State Route 57 and California State Route 91
Metro Local lines 120 and 625 run through Imperial Highway, as well as Norwalk Transit line 4; Metro line 625 runs between Pershing Drive and Aviation Boulevard, Metro line 120 between Aviation Boulevard and Norwalk Station, and Norwalk line 4 between Norwalk Station and Beach Boulevard. Imperial intersects with the Metro Blue and Green Lines at Wilmington Avenue in Willowbrook at the Imperial/Wilmington Station.
Western terminus coordinates (El Segundo):
Eastern terminus coordinates (Anaheim):
Imperial Highway was initially conceived as a commercial route connecting Imperial County to Los Angeles County.  A segment remains today in Imperial County which connects Interstate 8 near Ocotillo, California. Another segment adjacent to Lake Elsinore (Riverside County) was once indicated on 1960s vicinity maps by H.M. Gousha (Gousha), publisher of street maps.
There are other Imperial Highways in the United States, including one in San Diego (better known as Imperial Avenue) and in the Detroit suburbs of Redford Township, Michigan and Westland, Michigan. Westland's version runs two blocks, northeast from Hambleton Street, across John Hauk Road and stopping at Pardo Street.