One segment of 40.02 miles (64.41 km) runs from the Oklahoma state line east to Highway 355 at Saratoga.

A fourth segment of 6.87 miles (11.06 km) runs from Highway 53 south of Bodcaw east to US 371 in Willisville.

The route begins at US 278 east of Hope Municipal Airport and runs east before turning south towards Highway 29, where it terminates north of Hope.

The route begins at Highway 53 south of Bodcaw and runs east for about 6.87 miles (11.06 km) until it reaches the intersection of US 371 in Willisville, where it terminates.

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