State Route 78 (Arizona–New Mexico) State Route 78 (Arizona–New Mexico) Arizona State Route 78 (SR 78) and New Mexico State Road 78 (NM 78) are a pair of adjoining state highways located in eastern Arizona and western New Mexico linking U.S. Route 191 (US 191) and Arizona State Route 75 near Greenlee County Airport to US 180 northwest of Cliff, New Mexico. It is also known in its Arizona stretch as Mule Creek Road. The western terminus of SR 78 is located at a junction with US 191 and SR 75 at Three Way, Arizona near Greenlee County Airport. The highway heads northeast from this
Arizona State Route 179 Arizona State Route 179 State Route 179, also known as SR 179, the Red Rock Scenic Byway, a north–south state highway in Arizona, United States, running from Interstate 17 to SR 89A in Sedona, entering Coconino County from Yavapai County. In 2006, the US Dept. of Transportation awarded SR 179 its highest designation within the National Scenic Byways Program: the All-American Road designation, due to the red rock and sandstone formations through which it travels along its length within the hills of the Coconino National Forest. The All-American Road designation also signifies to the travelling public that this is a