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]

Quick Facts Route information, Length ...

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Interstate 15

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Route information
Length1,433.52 mi[1] (2,307.03 km)
Existed1957–present
NHSEntire route
Major junctions
South end I-8 / SR 15 in San Diego, CA
Major intersections
North end Hwy 4 at Sweetgrass–Coutts Border Crossing at Sweet Grass, MT
Location
CountryUnited States
StatesCalifornia, Nevada, Arizona, Utah, Idaho, Montana
Highway system
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References

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