U.S. Route 78 in Arkansas

U.S. Highway 78
Route information
Maintained by ArDOT
Length140.75 mi (226.52 km)
Existed2023–present
Major junctions
West end I-57 / US 67 / AR 226 near Swifton
Major intersections
East end I-55 / US 61 / US 64 / US 70 / US 78 / US 79 at the Tennessee state line
Location
CountryUnited States
StateArkansas
CountiesCraighead, Mississippi, Crittenden
Highway system
AR 77 AR 78

U.S. Highway 78 (US 78) is an east–west highway in northeast Arkansas. The road largely runs concurrently with Interstate 55 (I-55) within the state.