The San Diego Freeway is one of the named principal

Southern California freeways The Southern California freeways are a vast network of interconnected freeways in the megaregion of Southern California, serving a population of 23 million people. The Master Plan of Metropolitan Los Angeles Freeways was adopted by the Region ...

. It consists of the following two segments: *

Interstate 5 Interstate 5 (I-5) is the main north–south 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 through the states of Califor ...

, from California State Route 94 in San Diego 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

{{Roadindex 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