Highway 306 is a designation for three east–west state highways in the Arkansas Delta. 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. A second segment of 24.27 miles (39.06 km) runs northeast from US Route 49 (US 49) in Hunter to Highway 284. 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.
Highway 306 runs as Old Military Road through Colt
Highway 38 is a designation for three state highways in Arkansas. One route of 49.58 miles (79.79 km) runs east from Highway 367 at Cabot to US Route 49 (US 49) near Hunter. A second route of 21.43 miles (34.49 km) begins at Interstate 40 (I-40) and runs east to Highway 147 near Horseshoe Lake. A third route of 0.10 miles (0.16 km) runs in West Memphis as Martin Luther King Jr. Drive from US 70 north to I-55/US 61/US 64/US 79. All routes are maintained by the Arkansas State Highway and Transportation Department (AHTD).
State Highway 38 at the intersection of Arkansas Highway 31 south of Beebe, Arkansas
White River at Des Arc, with Highway 38 passing over on the bridge in the background
Highway 38 near US 79 in Hughes
