The southern route is about five miles (8 km) long. It connects State Road 64, three miles (5 km) east of New Salisbury, with State Road 135 (its parent route) between New Salisbury and Corydon. Halfway along this road is the town of Crandall.
The northern route is a north–south route that connects the rural areas of northwestern Floyd County and southeastern Washington County. Its southern terminus is U.S. Route 150 near Greenville with the northern terminus at Indiana 60 near Pekin. Halfway through the twelve-mile (19 km) route it passes through the tiny town of Martinsburg.