Mississippi State Route 15 is a north-south highway in Eastern Harrison County. It runs from Interstate 10/110; Mississippi State Route 67, at D'lberville to the Stone/Harrison County Line, south of the Red Creek Wildlife Management Area. Much of this highway runs through the De Soto National Forest. MS St Rt 15 passes through the following town in Harrison County. D'lberville MS St Rt 15 is multi-plexed in Harrison County. Mississippi State Route 67, at D'lberville. MS St Rt 15 intersects the following highways in Harrison County. Interstate 10, at D'lberville. Interstate 110, at D'lberville. Mississippi State Route 67, at D'lberville. Mississippi State Route 67, at D'lberville.
