Illinois State Route 107 is a norht-south highway in Brown County. It runs in South-Central Brown County. This gives Mt Sterling a driect route to Interstate 72. IL St Rt 107 passes through the following town in Brown County. Mt Sterling
IL St Rt 107 is not multi-plexed in Brown County. IL St Rt 107 intersects the following highway in Brown County. Illinois State Route 99, at Mt Sterling.
A guide marker on WB U.S. Rt. 24. A junction marker on SB IL St Rt 99. A guide marker on SB IL St Rt 99. The northern end of IL St Rt 107. The northern end marker on IL St Rt 107.
