Arkansas State Route 1B runs north-south in South-Central Jonesboro. AR St Rt 1B passes through the following town in Craighead County. Jonesboro AR St Rt 1B is not multi-plexed in Craighead County. AR St Rt 1B intersects the following highways in Craighead County. Arkansas State Route 163, at Jonesboro. Arkansas State Route 1, at Jonesboro. U.S. Rt. 49, at Jonesboro. U.S. Rt. 63, at Jonesboto.