U.S. Route 99 (US 99) was the main north–south United States Numbered Highway on the West Coast of the United States until 1964, running from Calexico, California, on the U.S.–Mexico border to Blaine, Washington, on the U.S.-Canada border. It was assigned

U.S. Route 101, or U.S. Highway 101, is a north–south U.S. highway that runs through the states of California, Oregon, and Washington, on the West Coast of the United States. It is also known as El Camino Real (The Royal Road) where its route along the so

U.S. Route 163 (also U.S. Highway 163, US 163) is a 64-mile (103 km) U.S. Highway that runs from US 160 northward to US 191 in the U.S. states of Arizona and Utah. The southernmost 44 miles (71 km) of its length is within the Navajo Nation. The highway fo

U.S. Route 412 is an east–west United States highway, first commissioned in 1982. Its route number is a "violation" of the usual AASHTO numbering scheme, as it comes nowhere near its implied "parent", US 12. U.S. 412 overlaps expressway-grade Cimarron Tur