Arkansas Highway 306

One segment of 6.65 miles (10.70 km) runs from Highway 38 in Cotton Plant north to Woodruff County Road 680 (CR 680) at Becton.

[4] The third segment runs 5.98 miles (9.62 km) east from Cross CR 825 at the St. Francis River to Highway 75 at Gieseck.

The highway runs east to Holliday before angling northeast and entering St. Francis County.

The route terminates at Highway 284 near Village Creek State Park and Summer Sweet Lake.

[5] The road from Hunter east to the St. Francis county line was designated a state highway on April 24, 1963.

Highway 306 runs as Old Military Road through Colt