Interstate 15

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Interstate 15 marker

Interstate 15
Route information
Length1,433.52 mi[1] (2,307.03 km)
Existed1957 – present
Major junctions
South end I-8 / SR 15 in San Diego, CA
  I-10 in Ontario, CA
I-40 in Barstow, CA
I-70 near Cove Fort, UT
I-80 in Salt Lake City, UT
I-86 in Pocatello, ID
I‑90 near Butte, MT
North end Hwy 4 at Canadian border near Sweetgrass, MT
Highway system

Interstate 15 is an Interstate Highway in the United States. It goes from San Diego, California north to Sweetgrass, Montana at the Canada border. It also connects the cities of Las Vegas, Nevada and Salt Lake City, Utah. The route is 1,433.52 miles (2,307.03 km) long and passes through the states of California, Nevada, Arizona, Utah, Idaho, and Montana.[1]

References[change | change source]

  1. 1.0 1.1 "Table 1: Main Routes of the Dwight D. Eisenhower National System Of Interstate and Defense Highways as of October 31, 2002". USDOT Federal Highway Administration. 31 October 2002. Retrieved 20 July 2011.



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