Interstate 5

Interstate 5
I-5 highlighted in red
Route information
Length	1,381.29 mi[1] (2,222.97 km)
History	Designated in 1956 Completed in 1979
NHS	Entire route
Major junctions
South end	Fed. 1 at the Mexican border at San Ysidro, CA
Major intersections	SR 15 to I-15 in San Diego, CA I-8 in San Diego, CA I-10 / US 101 in Los Angeles, CA US 50 in Sacramento, CA I-80 in Sacramento, CA US 20 in Albany, OR I-84 / US 30 in Portland, OR US 101 in Olympia, WA I-90 in Seattle, WA US 2 in Everett, WA
North end	Hwy 99 at the Canada–US border at Blaine, WA
Location
Country	United States
States	California, Oregon, Washington
Highway system
Interstate Highway System Main Auxiliary Suffixed Business Future

Interstate 5 (sometimes called I-5, or in Southern California, The 5) is a 1,381 miles (2,223 km) long^[1] Interstate Highway in the states of California, Oregon, and Washington. The road goes from Mexican Federal Highway 1 at the United States-Mexican border to British Columbia Highway 99 at the United States-Canadian border. It is the main interstate highway of the West Coast. Nearly 60% of its length is in California.

1. ↑ ^{1.0 1.1} "Table 1 - Main Routes - FHWA Route Log and Finder List - Interstate Highway System - National Highway System - Planning - FHWA". www.fhwa.dot.gov. U.S. Department of Transportation. 6 May 2019. Retrieved 23 February 2021.