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Interstate 15

Interstate 15 connects San Diego to San Bernardino, Barstow, Las Vegas, Salt Lake City, Pocatello, and Butte. It is part of the main route between Los Angeles and Las Vegas.

Highway Information

States Traveled Through
(Mileage in state)
California (287.26)
Nevada (123.77)
Arizona (29.39)
Utah (401.07)
Idaho (196.00)
Montana (396.03)
Total Mileage 1,433.52
Cities California:
San Diego, Escondido,
Corona, Riverside,
San Bernardino,
Victorville, Barstow

Nevada:
Las Vegas

Arizona:
None

Utah:
St. George, Cedar City,
Spanish Fork, Provo,
Orem, American Fork,
Salt Lake City, Ogden,
Brigham City

Idaho:
Pocatello, Blackfoot,
Idaho Falls

Montana:
Butte, Helena,
Great Falls

Source 10/31/02 Interstate
Route Log & Finder List
OKRoads Coverage
Miles Driven
by OKRoads
(Percentage)
422 (29.4%)
Southern End of
Interstate Driven
Exit 150 in California
(CA 18 West)
Northern End of
Interstate Driven
Exit 132 in Utah
(Interstate 70)

Selected Pictures
For more pictures of Interstate 15 from a particular state, click on the state below.

California
Interstate 15 South at Exit 150 - CA 18
West - Palmdale Road. (Photo
taken 6/25/03)
Interstate 15 South at Exit 179 - CA 58 -
Bakersfield. Most of CA 58 between
Barstow and Bakersfield is freeway,
with the exception of a 2-lane stretch
and a 4-lane at-grade stretch. (Photo
taken 6/25/03)
Interstate 15 North at Exit 184A - Interstate
40 East - Needles. The greenouts next to
both interstate shields once had a U.S. 91
shield (Interstate 15) and a U.S. 66 shield.
(Interstate 40) (Photo taken 6/26/03)
Interstate 15 North at Exit 246 - CA 127 -
Death Valley/Kelbaker Rd. This is the
final northbound exit with services until
Primm, NV. (Photo taken 6/26/03)
Nevada
"Welcome to Nevada" sign as Interstate
15 enters the state. Motorists are
immediately greeted with the
casino-filled community of Primm. (Photo
taken 6/26/03)
Interstate 15 North at Exit 34 - Clark
County 215 West/Interstate 215 East -
Henderson/215 West. (Photo taken
6/26/03)
Interstate 15 North approaching Exit 38 -
Flamingo Road. (Photo taken 6/26/03)
Interstate 15 North at Exit 42A - U.S. 95
North - Reno/Martin L. King Blvd.

(Photo taken 6/26/03)
Interstate 15 North at Exit 120 - NV 144 -
West Mesquite. (Photo taken 6/26/03)
Arizona
"Welcome to Arizona" sign as Interstate
15 enters the Grand Canyon State.
(Photo taken 6/26/03)
Interstate 15 North at mile marker 15.
This is just one of the many scenic
views along Interstate 15 inside the
Virgin River Gorge. (Photo taken
6/26/03)
Interstate 15 North at mile marker 21. This
is one final short stretch in the gorge
before the surrounding land becomes a
little flatter. (Photo taken 6/26/03)
Utah
Interstate 15 North at Exit 6 - Business
Loop I-15/U-18 - Bluff St. in St. George.
(Photo taken 6/26/03)
Interstate 15 North at Exit 33 - Ranch
Exit. There are several ranch exits in
Utah, which are nothing more than just
exits to local ranches. At least Utah
puts something on the exit sign. Some
states, like New Mexico and South
Dakota, would just put an arrow under
the exit tab! (Photo taken 6/26/03)
Interstate 15 North at Exit 59 - U-56 -
Cedar City. (Photo taken 6/27/03)
Interstate 15 North at Exit 132 -
Interstate 70 East - Richfield/Denver.
The interchange marks the western
terminus of Interstate 70. (Photo taken
6/27/03)

Highway Links

California:

WestCoastRoads.com (Andy Field/Alex Nitzman)

Calnexus Exit Numbers for Interstate 15 (Caltrans)

Nevada:

RockyMountainRoads.com (Andy Field/Alex Nitzman): Northbound | Southbound

Arizona:

Interstate 15 Pictures (Eric Buchanan)

Utah:

RockyMountainRoads.com (Andy Field/Alex Nitzman): Washington County | Iron County

Idaho:

Interstate 15 Pictures (Eric Buchanan)

Montana:

If you have a link to a good Interstate 15 Montana page, please contact OKRoads.
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Page created: February 14, 2005
Last updated: February 15, 2005