Arkansas State Route 296 runs east-west across the northern portion of the Texarkana Area. Also, this highway runs from near Mandeville to Hervey and then south to U.S. Rt. 82, near Garland. AR St Rt 296 passes through the following towns in Miller County. Texarkana Hervey AR St Rt 296 is not multi-plexed in Miller County. AR St Rt 296 crosses the following highways in Miller County. Arkansas State Route 245, at Texarkana. Interstate 30, near Texarkana. U.S. Rt. 67, near Mandeville. U.S. Rt. 82, near Garland.