Interstate 8 (I-8) is an interstate highway that stretches from the southern edge of Mission Bay in San Diego, California, to its junction with I-10, just southeast of Casa Grande, Arizona. The route is 348.25 miles long.
Interesting facts
In California, I-8 runs through the San Diego metropolitan area as the Ocean Beach Freeway and the Mission Valley Freeway before traversing the Cuyamaca Mountains and the Imperial Valley. It crosses the Colorado River into Arizona, and goes through Yuma,...