Interstate 15 is an Interstate Highway, running from San Diego, California, United States, to the Canadian border, through Mohave County in northwestern Arizona. Despite being isolated from the rest o
A storm rolls over the Virgin River Gorge
I-15 seen toward north in the Virgin River Gorge
Interstate 15 runs north–south in the U.S. state of Utah through the southwestern and central portions of the state, passing through most of the state's population centers, including St. George and th
Interstate 15 in Arizona
…Maintained by ADOT Length 29.43 mi (47.36 km) Existed 1962 (1962)–present NHS Entire route Major junctions South end I-15 near Mesquite, Nevada North end I-15 near St. George, Utah Location Country United States State Arizona County Mohave Highway system Interstate Highway System Main Auxiliary Suffixed…
I-15 near New Harmony, south of Cedar City, looking north
View to the west from I-15 near Cedar City, Utah
An 80 mph (130 km/h) speed limit sign in one of the test zones
View of Mount Nebo from I-15 slightly south of Nephi