Among the new proposed highways was a roughly crescent-shaped route named U.S. Route 60 (US 60). US 60 would run from Los Angeles, California, to Chicago, Illinois. However, after a major disagreement and argument between proponents of the Chicago-to–Los Angeles route and dignitaries from the state of Kentucky, AASHO moved the proposed US 60 designation was moved onto a different highway between Virginia Beach, Virginia, and Springfield, Missouri. This was done to give the Kentucky proponents the benefit of having a route ending in "0" passing through their state. The future Chicago–Los Angeles route was first intended to be re-designated US 62, but was instead re-designated US 66 at the request of the Chicago–Los Angeles route proponents. After some other alterations were made to the newly proposed U.S. Highway System, the system was ratified and approved by AASHO on November 11, 1926, making all the newly proposed routes official. With this, a large portion of the National Old Trails Road through the southwestern United States, including Arizona, was designated as a section of US 66. The original route of the National Old Trails Road southeast of Holbrook through Springerville became the westernmost section of US 70 (now US 180), making the junction of the old and new National Old Trails alignments the national western terminus of the new US 70.