Illinois State Route 111 is a north-south highway in Western Macoupin County. This runs from the Macoupin/Jersey County Line, at Brighton, to the Macoupin/Morgan County Line near Modesto. IL St Rt 111 passes through the following towns in Macoupin County. Brighton
Medora
Summerville Chesterfield Reader Hettick
Palmyra
Modesto
IL St Rt 111 is multi-plexed in Macoupin County. Illinois State Route 267, from Medora to the Jersey/Macoupin County Line.
NB IL St Rt 111/267 at the Jersey/Macoupin County Line. NB IL St Rt 111/267 in Brighton. NB IL St Rt 111/267 north of Brighton. A Macoupin County mile marker. NB IL St Rt 111/267 near Miles Station. NB IL St Rt 111/267 south of IL St Rt 16. A junction marker on EB IL St Rt 16. A junction marker on EB IL St Rt 16. NB IL St Rt 111 at Hettick. NB IL St Rt 111 at Palmyra. NB IL St Rt 111 north of Palmyra. NB IL St Rt 111 north of Modesto.
