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 72 the SR 95 junction in 2010. Arizona State Route 72 State Route 72 (SR 72) is a state highway in the U.S. state of Arizona. It runs from SR 95 near Parker southeast to U.S. Route 60 (US 60) in Hope. Along its route, the highway is mostly parallel to the Arizona and California Railroad and runs through the community of Bouse in desert terrain. The route was established in 1930 from its current eastern terminus all the way to the California state line, but was truncated in 1965. The route was completely paved by 1940. SR 72 begins at