The San Diego Freeway is one of the named principal

Southern California freeways A vast network of interconnected Controlled-access highway, freeways in the Megaregions of the United States, megaregion of Southern California serves a population of over 23 million people. The Master Plan of Metropolitan Los Angeles Freeways ...

. It consists of the following two segments: *

Interstate 5 Interstate 5 (I-5) is the main north–south Interstate Highway System, Interstate Highway on the West Coast of the United States, running largely parallel to the Pacific coast of the contiguous U.S. from Mexico to Canada. It travels thro ...

, from California State Route 94 in

San Diego San Diego ( , ) is a city on the Pacific coast of Southern California, adjacent to the Mexico–United States border. With a population of over 1.4 million, it is the List of United States cities by population, eighth-most populous city in t ...

to Interstate 405 ( El Toro Y) in Irvine * Interstate 405, in its entirety from Interstate 5 in Irvine to Interstate 5 near San Fernando

References

{{Road index Southern California freeways Named freeways in California Interstate 5 Interstate Highways in California Roads in San Diego County, California Roads in Orange County, California Roads in Los Angeles County, California es:San Diego Freeway