The Davis Dam Grade Arizona State Route 68 is a stretch of road that starts in the Davis Dam area of the Colorado River, close to Laughlin, Nevada, and Bullhead City, Arizona, with an elevation of just about 550 feet. This stretch of highway travels through the Black Mountains and climbs to Highway 93 near Kingman, Arizona. The section used for the SAE J2807 Highway Gradeability Test starts just past the intersection of SR 68 and Highway 95 outside of Laughlin and climbs to more than 3,500 feet in just 11.4 miles.
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The Davis Dam Grade Arizona State Route 68 is a stretch of road that starts in the Davis Dam area of the Colorado River, close to Laughlin, Nevada, and Bullhead City, Arizona, with an elevation of just about 550 feet. This stretch of highway travels through the Black Mountains and climbs to Highway 93 near Kingman, Arizona. The section used for the SAE J2807 Highway Gradeability Test starts just past the intersection of SR 68 and Highway 95 outside of Laughlin and climbs to more than 3,500 feet in just 11.4 miles.
’15 Ram 3500
’15 Ford F-350