page_title: Interstate 5
section_title: Junction list
hierarchical_section_title: Interstate 5 / Junction list
context_page_description: Interstate 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 California, Oregon, and Washington, serving several large cities on the U.S. West Coast, including San Diego, Los Angeles, Sacramento, Portland, and Seattle. It is the only continuous Interstate highway to touch both the Mexican and the Canadian borders. Upon crossing the Mexican border at its southern terminus, I-5 continues to Tijuana, Baja California, as Mexico Federal Highway 1. Upon crossing the Canadian border at its northern terminus, it continues to Vancouver as British Columbia Highway 99.
  I-5 was originally created in 1956 as part of the Interstate Highway System, but it was predated by several auto trails and highways built in the early 20th century. The Pacific Highway auto trail was built in the 1910s and 1920s by the states of California, Oregon, and Washington, and was later incorporated into U.S. Route 99 in 1926. I-5 largely follows the route of US 99, with the exception of a portion in the Central Valley of California.
context_section_description: California
   Fed. 1 at the Mexican border in San Ysidro
   I-805 in San Ysidro
   SR 905 on the Nestor–San Ysidro–Otay Mesa West neighborhood line (future I-905)
   SR 15 on the Barrio Logan–Southcrest–Logan Heights neighborhood line (future I-15)
   I-8 in San Diego
   I-405 in Irvine
   I-605 on the Downey–Santa Fe Springs city line
   I-710 in Commerce
   US 101 in Los Angeles
   I-10 in Boyle Heights. The highways travel concurrently through Boyle Heights.
   I-405 on the Mission Hills–Granada Hills neighborhood line
   I-210 in Sylmar
   SR 99 in Wheeler Ridge (Former US 99, future I-7 or I-9)
   I-580 southwest of Vernalis
   I-205 south-southwest of Lathrop
   I-305 / US 50 in Sacramento
   I-80 in Sacramento
   I-505 south-southeast of Dunnigan
   US 97 in Weed
  Oregon
   US 199 east of Grants Pass
   I-105 on the Eugene–Springfield city line
   US 20 in Albany
   I-205 in Tualatin
   US 26 in Portland
   I-405 in Portland
   I-84 / US 30 in Portland. I-5/US 30 travels concurrently through Portland.
   I-405 / US 30 in Portland
  Washington
   I-205 on the Salmon Creek–Mount Vista CDP line
   US 12 south-southeast of Napavine. The highways travel concurrently to Grand Mound.
   US 101 in Tumwater
   I-705 in Tacoma
   I-405 in Tukwila
   I-90 in Seattle
   I-405 on the Lynnwood–Martha Lake–Alderwood Manor line
   US 2 in Everett
   Hwy 99 at the Canada–US border in Blaine
caption: Looking South at I-5 and I-90 meeting in Seattle.
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