Arkansas State Route 18S is a shorth north-south highway in Southeastern Jonesboro. It runs from Arkansas State Route 18 south to U.S. Rt. 63 (Future Interstate 555) AR St Rt 18S passes through the following town in Craighead County. Jonesboro
AR St Rt 18S is not multi-plexed in Craighead County. AR St Rt 18S intersects the following highways in Criaghead County. Arkansas State Route 18, at Jonesboro. U.S. Rt. 63, at Jonesboro.
A junction marker on WB AR St Rt 18. A BGS on SB U.S. Rt. 63.
