[2] The highway is maintained by the Arkansas Department of Transportation (ArDOT).

It crosses another bridge before reaching a junction with exit 278 on Interstate 40 (I-40), I-55, US 61, US 64, and US 79.

The route heads through an open field north of this interchange, curving westward within the field to parallel a Union Pacific Railroad line.

[2][3] The route which AR 191 follows first appeared on the 1966 Arkansas state highway map.

[4] The entire route is in West Memphis, Crittenden County.