Missouri State Route 79 is a north-south highway in North-Central St. Charles County. It runs from St. Peters to the St. Charles/Lincoln County Line. MO St Rt 79 passes through the following town in St. Charles County. St. Peters
O'Fallon
MO St Rt 79 is not multi-plexed in St. Charles County. MO St Rt 79 intersects the following highways in St. Charles County. Interstate 70, at St. Peters. Missouri Secondary State Route M, near O'Fallon.
The southern end marker. A guide marker on MO St Rt 79. Photo from: Paul Dienhart A BGS on WB I-70. A BGS on EB I-70. NB MO St Rt 79 north of I-70. NB MO St Rt 79 in O'Fallon. NB MO St Rt 79 near Old Monroe.
