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 (I-15) is a very important highway in the United States. It stretches all the way from San Diego, California, in the south, up to Sweet Grass, Montana, near the Canada border in the north. This long road connects many major cities, including exciting places like Las Vegas, Nevada, and Salt Lake City, Utah.

Journey Along Interstate 15

Interstate 15 is about 1,433 miles (2,307 kilometers) long. It was first opened in 1957. This highway crosses six different states. It starts in sunny California and then travels through Nevada, Arizona, Utah, Idaho, and finally Montana.

States I-15 Crosses

• California: I-15 begins in San Diego. It then goes through cities like Ontario and Barstow.
• Nevada: The highway passes right through the middle of Las Vegas. This part is often very busy.
• Arizona: I-15 only goes through a small part of Arizona. It travels through the amazing Virgin River Gorge.
• Utah: It connects with other major highways near Cove Fort. It also goes through Salt Lake City, the capital of Utah.
• Idaho: I-15 continues north through Idaho. It passes through cities like Chubbuck.
• Montana: The highway ends in Sweet Grass, Montana. This is right at the border with Canada.

Connecting Major Highways

Interstate 15 connects with many other important highways. These connections help people travel across the country. Some of the main highways it meets include:

• I-10 in California
• I-40 in California
• I-70 in Utah
• I-80 in Utah
• I-90 in Montana

Images for kids

• 

  Northbound I-15 goes down into the Ivanpah Valley.

• 

  An aerial view of I-15 in the Las Vegas Valley.

• 

  I-15 goes through the Virgin River Gorge in Arizona.

• Interstate 15 Arizona.jpg

  I-15 in Arizona.

• 

  I-15 in Salt Lake City.

• 

  The I-15 and US 20 junction in Idaho Falls, ID.

• 

  I-15 goes through the city of Great Falls, MT.

• Interstate15ruralMT.jpg

  I-15, about 20 miles (32 km) south of Dillon, Montana.

See also

In Spanish: Interestatal 15 para niños