
Meanwhile, the old alignments of US 91 and US 66 follow the Mojave River from Victorville to Barstow along the National Trails Highway.

US 395 breaks away at Hesperia and the route continues on a direct path to Barstow 35 miles (56 km) to the north. North of Devore, the highway follows the approximate alignment of historic US Route 66 along with US 91 and US 395. North of its junction with SR 91 in Corona, the route roughly follows the former routes of State Route 31. Main article: Interstate 15 in California As a result, the route of I-15 has substantially increased in population and commuter traffic. Since the construction of I-15, California, Idaho, Nevada, and Utah have consistently ranked in the fastest-growing areas of the United States.
#Interstate 15 traffic las vegas free
It is now officially chartered for this purpose: from the junction of I-515 in Las Vegas to the Canadian border, I-15 forms part of the CANAMEX Corridor, a High Priority Corridor, as a result of the North American Free Trade Agreement. Since its creation, I-15 has served as a long-haul route for North American commerce. I-15 was built to connect the Inland Empire with San Diego in California, facilitate tourism access to Las Vegas, provide access to the Arizona Strip, interconnect all of the metropolitan statistical areas in Utah except for Logan, and provide freeway bypasses for Pocatello, Idaho Falls, and Great Falls.

The southern end is at a junction with I-8 and State Route 15 (SR 15) in San Diego, and the northern end is at a connection with Alberta Highway 4 at the Sweetgrass–Coutts Border Crossing. The stretches of I-15 in Idaho, Utah, and Arizona have been designated as the "Veterans Memorial Highway".

It also passes close to the urban areas of Los Angeles, Orange, and Riverside counties, California. The Interstate serves the cities such as San Diego, San Bernardino, Las Vegas, Salt Lake City, Idaho Falls, and Great Falls. I-15 begins near the Mexican border in San Diego County and stretches north to Alberta, Canada, passing through the states of California, Nevada, Arizona, Utah, Idaho, and Montana. Interstate 15 ( I-15) is a major Interstate Highway in the Western United States, running through Southern California and the Intermountain West. Hwy 4 at Sweetgrass–Coutts Border Crossing at Sweet Grass, MTĬalifornia, Nevada, Arizona, Utah, Idaho, Montana
