interstate highway in the Western United States From Wikipedia, the free encyclopedia
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]
Route information | |
---|---|
Length | 1,433.52 mi[1] (2,307.03 km) |
Existed | 1957–present |
NHS | Entire route |
Major junctions | |
South end | I-8 / SR 15 in San Diego, CA |
| |
North end | Hwy 4 at Sweetgrass–Coutts Border Crossing at Sweet Grass, MT |
Location | |
Country | United States |
States | California, Nevada, Arizona, Utah, Idaho, Montana |
Highway system | |
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