Former state routes in Arizona was a state highway in the eastern part of the state of Arizona, starting in the town of Nogales and ending at the New Mexico state line near Gallup on old U.S. Route 66 (presently Interstate 40). The route was cosigned with other routes, including U.S. Route 89 North from Nogales to Tucson, U.S. Route 80/U.S. Route 89 north from Tucson to U.S. Route 60 and U.S. Route 70 at Florence Junction, east on 60/70 to Globe and then 60 past Show Low to State Route 61, then east on 61 to U.S. 666 north of Springerville, where it overlapped
Arizona State Route 68 trucks and recreational vehicles traveling between Arizona and Las Vegas, Nevada via US 93, due to the heavy vehicle restrictions over Hoover Dam. The detour was temporary and was removed in 2010, when the new bypass was completed south of the dam . SR 68 was a 2 lane highway and had a high grade going through the Black Mountains. The highway was expanded to 4 lanes in the mid-1990s and now has a smoother ride through the mountains. Arizona State Route 68 State Route 68, also known as SR 68, is an east–west highway in northwestern Arizona running from