Highway 108 (AR 108, Ark. 108, and Hwy. 108) is a state highway composed of two segments in the southwestern corner of the U.S. state of Arkansas. The northern segment begins as a continuation of State Highway 87 near the extreme southeastern corner of Oklahoma. The northern segment ends at U.S. Highway 59 and U.S. Highway 71 at Ashdown. The southern segment begins 13 miles (21 km) to the south along US 59 / US 71, at the Texas state line. The route ends at U.S. Highway 67 northeast of Texarkana.

Quick Facts Highway 108, Route information ...

Highway 108
Route information
Maintained by ArDOT
Northern segment
Length	26.09 mi[1] (41.99 km)
West end	SH-87 southwest of Foreman
East end	US 59 / US 71 in Ashdown
Southern segment
Length	6.96 mi[1] (11.20 km)
West end	US 59 / US 71
East end	US 67 near Texarkana
Location
Country	United States
State	Arkansas
Counties	Little River, Miller
Highway system
Arkansas Highway System Interstate US State Business Spurs Suffixed Scenic Heritage
← AR 107 → AR 109

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The Northern segment of Highway 108 begins at the Oklahoma state line as a continuation of State Highway 87. It heads to the northeast through Little River County towards Foreman. On the southern edge of Foreman, a spur route, Highway 108S, splits off to the south to intersect Highway 32 / Highway 41 and Highway 108 turns to the north. At Highway 32, which is Tracy Lawrence Avenue at this location, Highway 108 turns to the east and follows Highway 32. At Highway 41, known as Madden Street in Foreman, Highway 32 turns to the south and Highway 108 continues east.

East of Foreman, Highway 108 continues to the northeast towards Alleene. South of Alleene, the route intersects Highway 234 at a four-way stop. All traffic at this intersection must turn to stay on the same numbered route; Highway 108 represents the western and southern branches and Highway 234 represents the northern and eastern branches. Now heading south and east, Highway 108 travels 10 miles (16 km) to U.S. Highway 59 / U.S. Highway 71 north of Ashdown.

The southern segment of Highway 108, in Miller County, serves as a northern bypass of Texarkana. It intersects Interstate 30 at its exit 7. One half-mile (0.8 km) later, Highway 108 ends at U.S. Highway 67.

Highway 108 Spur (AR 108S, Ark. 108S, and Hwy. 108S) is a short, east–west highway in Little River County in southwest Arkansas. Running only 0.77 miles (1.24 km) in length, its western terminus is at an intersection with Highway 108 6 miles (9.7 km) west of the Oklahoma state line. Its eastern terminus is at an intersection with Highway 41 1 mile (1.6 km) south of Foreman.

• List of state highways in Arkansas