Interstate 15 north of Interstate 215 near Cajon Pass towards the Nevada State Line is known as the Mojave Freeway. From Interstate 215 north through Cajon Pass the route of Interstate 15 passes through the booming Mojave Desert communities of Hesperia and Victorville before reaching Barstow. North of Barstow towards the Nevada State Line the route of Interstate 15 enters a sparsely inhabited 110 mile stretch of the Mojave Desert within northern San Bernardino County.
Part 1; the development of Interstate 15 north of Barstow to the Nevada State Line
This blog focuses primarily on the events leading to the development of Interstate 15 ("I-15") north of Barstow after US Route 91 ("US 91") was extended to Long Beach in 1947. For information pertaining to the development of US 91, US 466 and the Arrowhead Trail in northern San Bernardino County please consult the blog below:
The November/December 1963 California Highways & Public Works cited a 45 mile segment of US 91/US 466/I-15 as being the process of construction from Yermo to Cronese Valley. US 91/US 466/I-15 is cited to have opened to freeway standards from Cima Road northeast to the Nevada State Line during October 1963.