Section of Interstate Highway in Mohave County, Arizona, United States
This article is about the section of highway in Arizona. For the entire length of highway, see Interstate 15.
Interstate 15
Veterans Memorial Highway
I-15 highlighted in red
Route information
Maintained by ADOT
Length
29.43 mi[1] (47.36 km)
Existed
1962 (1962)[2]–present
NHS
Entire route
Major junctions
South end
I-15 near Mesquite, NV
North end
I-15 near St. George, UT
Location
Country
United States
State
Arizona
County
Mohave
Highway system
Interstate Highway System
Main
Auxiliary
Suffixed
Business
Future
Arizona State Highway System
Interstate
US
State
Proposed
Former
← I-10
→ I-17
Interstate 15 (I-15) is an Interstate Highway, running from San Diego, California, United States, to the Canada–US border, through Mohave County in northwest Arizona. Despite being isolated from the rest of Arizona, in the remote Arizona Strip, and short in length at 29.43 miles (47.36 km), it remains notable for its scenic passage through the Virgin River Gorge. The highway heads in a northeasterly direction from the Nevada border northeast of Mesquite, Nevada, to the Utah border southwest of St. George, Utah.
The south portion of I-15's route was built close to the alignment of the old U.S. Route 91 (US 91), but the northern section, through the Virgin River Gorge, was built along roadless terrain. The southern section of the highway was complete and open in the early 1960s, but the gorge section was inaccessible until 1973. When it opened, the Virgin River Gorge passage was the most expensive section of rural Interstate per mile.
^Staff (January 19, 2011). "Arizona State Highway System Log (as of 12/31/2009)" (PDF). Arizona Department of Transportation. pp. 71–75. Archived from the original (PDF) on June 16, 2012. Retrieved July 5, 2012.
^Staff. "Official Highway Names and Engineering Records for Interstate 15". Arizona Department of Transportation. Archived from the original on September 4, 2011. Retrieved April 21, 2008.
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Global Information
I-15 near Mesquite, NV
