Interstate 15 facts for kids

Quick facts for kids Interstate 15

Route information
Length	1,433.52 mi (2,307.03 km)
Existed	1957–present
Major junctions
South end	I-8 / SR 15 in San Diego, CA
	I-10 in Ontario, CA I-40 in Barstow, CA I-515 / 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 to Tremonton, UT I-86 in Chubbuck, ID I-90 near Butte, MT
North end	Hwy 4 at Sweetgrass–Coutts Border Crossing at Sweet Grass, MT
Location
States:	California, Nevada, Arizona, Utah, Idaho, Montana

Highway system
Main route of the Interstate Highway System Main • Auxiliary • Business

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.

Images for kids

Northbound I-15 makes a steep descent from the Mountain Pass into the Ivanpah Valley
Aerial view of I-15 looking south from Sunset Road in the Las Vegas Valley
I-15 in Arizona
I-15 in Salt Lake City
I-15/US 20 Jct. in Idaho Falls, ID
I-15, 20 miles (32 km) south of Dillon, Montana