Interstate 15: Highway of Many Nicknames Quiz

Answer:

Interstate 15 (I-15) is one of the major north-south interstate highway route in the United States. It goes through six western US States: California, Nevada, Arizona, Utah, Idaho, and Montana.

Its southern end is in San Diego, CA, at its junction with I-8, just about 20 miles north of the US-Mexico border. From there, heading north it goes through the eastern suburbs of Los Angeles before turning northeast towards Las Vegas.

In Nevada, I-15 passes through Las Vegas before continuing northeast. It goes through the Moapa River Indian Reservation before heading to Arizona.

In Arizona, I-15 goes through the northwest corner of the state for about 30 miles. It passes just north of Littlefield, AZ on its way to Utah.

In Utah, I-15 is the major north-south route through the state. North of Beaver, UT, it intersects with I-70, one of the major east-west interstate highways. It then heads north to the Salt Lake City, UT, metropolitan area. There it crosses I-80. In Ogden, it runs concurrently with I-84 until they split near Tremonton, UT. It then runs north to Idaho.

In Idaho, I-15 connects Pocatello and Idaho Falls, ID. In then heads north to Montana, crossing the Continental Divide.

In Montana, I-15 runs through the western quarter of the state. It runs all the way to the US-Canada border at Sweet Grass, MT. The highway continues into Alberta, Canada as Alberta Highway 4.