Interstate 15

Interstate 15 is an interstate highway in the western United States. It goes from San Diego, California just south of Interstate 8 (where it sputters out and becomes California State Route 15[?]) to Sweetgrass, Montana[?] at the Canadian border. It is possible that this highway may be extended south to Interstate 5 along CA 15 to Barrio Logan, California[?] in the future. Note there are three Interstate 215's - in Inland Empire, California; Las Vegas, Nevada; and Salt Lake City, Utah.

Table of contents 1 Number of Miles 2 Major Cities Along the Route 3 Intersections with other Interstates 4 Spur Routes 5 Reference

Number of Miles

• California - 290 miles
• Nevada - 122 miles
• Arizona - 29.40 miles
• Utah - 402 miles
• Idaho - 195 miles
• Montana - 397 miles
• TOTAL: 1435

Major Cities Along the Route

• San Diego, California
• Las Vegas, Nevada
• North Las Vegas, Nevada
• Salt Lake City, Utah
• Pocatello, Idaho
• Great Falls, Montana

Intersections with other Interstates

• Interstate 8 in San Diego, California
• Interstate 10 in Ontario, California
• Interstate 40 in Barstow, California
• Interstate 70 in Cove Fort, Utah[?]
• Interstate 80 in Salt Lake City, Utah
• The western Interstate 84 in Ogden, Utah. They stay merged until Tremonton, Utah.
• The western Interstate 86 in Pocatello, Idaho
• Interstate 90 in Butte, Montana[?]. They are merged for 9 miles.

Spur Routes

• Inland Empire, California - I-215
• Spur to Henderson, Nevada outside Las Vegas - I-515
• Beltway (Under Const.) Las Vegas, Nevada - I-215
• Salt Lake City, Utah - I-215
• Butte, Montana[?] - I-115
• Great Falls, Montana - I-315

Reference

• http://www.ihoz.com/