From a modern standpoint, the routing of Interstate 15 between Barstow to the Nevada state line is very clear. Historically regarding US Route 91 this wasn't the case as the hostile and barren parts of the Mojave Desert in San Bernardino County had few good roadways. In 1920 the Arrowhead Trail commissioned the Silver Lake Cutoff from Las Vegas southwest to Daggett. The Silver Lake Cutoff saved 90 miles of travel from the original highway corridor by using an alignment utilizing Jean, Goodsprings, Ripley, Kingston and Silver Lake. Although the Silver Lake Cutoff existed during the early development of the US Route System it was far more haggard than the original Arrowhead Trail alignment south of Las Vegas through Searchlight and Bannock. During the planning phase of the US Route System the southern terminus of US Route 91 was to be located at US Route 60 (later US Route 66) in Bannock, California to the west of Needles. When the US Route Sys...
Comments