Missouri State Route 72 tends to serves the southeastern portion of Phelps County. This is also the main route between Rolla and Salem. MO St Rt 72 passes through the following towns. Rolla
Elk Prairie MO St Rt 72 is multi-plexed in Phelps County. BUSN Loop I-44, at Rolla. MO St Rt 72 intersects the following highways. Interstate 44, at Rolla. BUSN Loop I-44, at Rolla.
