Missouri State Route 15 is the main north-south highway in Scotland County. It runs from the Iowa/Missouri State Line, near Milton, Iowa, to the Knox/Scotland County Line, near Greensburg. MO St Rt 15 passes through the following town in Scotland County. Memphis
MO St Rt 15 is multi-plexed in Scotland County. BUSN U.S. Rt. 136, at Memphis.
MO St Rt 15 intersects the following highways in Scotland County. Missouri Secondary State Route EE, near Hilt. Missouri Secondary State Route H, near Hilt. Missouri Secondary State Route C, near Hilt. Missouri Secondary State Route BB, near Memphis. Missouri Secondary State Route CC, near Memphis. Missouri Secondary State Route AA, near Memphis. BUSN U.S. Rt. 136, at Memphis.
WB BUSN U.S. Rt. 136/SB MO St Rt 15 in Memphis. WB BUSN U.S. Rt. 136/SB MO St Rt 15 north of U.S. Rt. 136. SB MO St Rt 15 south of U.S. Rt. 136. SB MO St Rt 15 south of MO Sec St Rt M. SB MO St Rt 15 south of MO Sec St Rt D. NB MO St Rt 15 at the Scotland/Knox County Line.