Arkansas State Route 7 is a north-south highway in the northern part of Clark County. AR St Rt 7 passes through the following towns in Clark County. Griffithtown Arkadelphia Caddo Valley AR St Rt 7 is multi-plexed in Clark County. Arkansas State Route 8, from the Dallas/Clark County Line to Arkadelphia. U.S. Rt. 67, from Arkadelphia to Caddo Valley. AR St Rt 7 intersects the following highways in Clark County. Arkansas State Route 128, near Griffithtown. Arkansas State Route 51, near Griffithtown. U.S. Rt. 67, at Arkadelphia. Arkansas State Route 8, at Arkadelphia. U.S. Rt. 67, at caddo Valley. Interstate 30, near Caddo Valley. Arkansas State Route 390, near Caddo Valley. Arkansas State Route 283, near Caney.
