Mississippi State Route 306 is a east-west highway in North-Central Tate County. This runs from U.S. Rt. 51, near Coldwater, to Mississippi State Route 305, near Independence. MS St Rt 306 does not pass through any towns in Tate County. MS St Rt 306 is not multi-plexed in Tate County. MS St Rt 306 intersects the following highways in Tate County. U.S. Rt. 51, near Coldwater. Interstate 55, near Coldwater. Mississippi State Route 305, near Independence.