بزرگراه میان‌ایالتی ۱۵

Key facts

Length

1,433.52 mi (2,307.03 km)

Existed

August 14, 1957 –present

Nhs

Entire route

South end

I-8 / SR 15 in San Diego, CA

Major intersections

I-10 in Ontario, CA I-40 in Barstow, CA I-11 / US 93 / US 95 in Las Vegas, NV I-70 near Cove Fort, UT I-80 in Salt Lake City, UT I-84 from Riverdale, UT to Tremonton, UT I-86 in Chubbuck, ID I-90 near Butte, MT

North end

Highway 4 at the Canadian border in Sweet Grass, MT

Country

United States

States

California , Nevada , Arizona , Utah , Idaho , Montana

via Wikipedia infobox