Arkansas Highway 318
| Route information | ||||
|---|---|---|---|---|
| Maintained by ArDOT | ||||
| Existed | November 23, 1966–present | |||
| Section 1 | ||||
| Length | 4.39 mi (7.07 km) | |||
| West end | AR 85 at Oneida | |||
| East end | AR 44 near Oneida | |||
| Section 2 | ||||
| Length | 15.12 mi (24.33 km) | |||
| West end | AR 1 near Marvell | |||
| East end | AR 20 / Great River Road near Lambrook | |||
| Location | ||||
| Country | United States | |||
| State | Arkansas | |||
| Counties | Phillips | |||
| Highway system | ||||
| ||||
Highway 318 (AR 318, Ark. 318, and Hwy. 318) is a designation for two state highways in Phillips County, Arkansas. One route of 4.39 miles (7.07 km) begins at Highway 85 at Oneida and runs east to Highway 44. A second route of 15.12 miles (24.33 km) begins at Highway 1 and runs east to Highway 20. A portion of the route between Watkins Corner and Lambrook is designated as part of the Great River Road National Scenic Byway.
All routes are maintained by the Arkansas State Highway and Transportation Department (AHTD). There is also one former routing of Highway 318, which was supplanted by US Highway 49 (US 49).