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Interstate 5 (I-5) is the main Interstate Highway on the West Coast of the United States, running largely parallel to the Pacific Ocean, Union Pacific Railroad's former Southern Pacific's Coast Route and U.S. Highway 101 from Mexico to Canada (California to Washington). It serves some of the largest cities on the U.S. West Coast, including Seattle, Portland, Sacramento, Los Angeles, and San Diego, and also links the capital cities of Washington (Olympia), Oregon (Salem), and California (Sacramento) together. The highway's southern terminus is the Mexico–United States border and its northern terminus is the Canada–United States border; it is the only Interstate highway to touch the U.S. borders with both Canada and Mexico. Upon crossing the Mexican border at its southern terminus, Interstate 5 continues to Tijuana, Baja California as Mexico Federal Highway 1. ...Full Wikipedia Topic
Start Terminus San Ysidro, California (Mexico and MX-1)
Length 2222.97 km/ 1381.29 mi
End Terminus Blaine, Washington (Canada and BC 99)
This highway passes through multiple states. Each state is broken out sepeperatly in these listings.