Illinois State Route 16 runs east-west across Montgomery County. This links Lichfield to Hillsboro, two of the main towns in the county. IL St Rt 16 pases through the following towns in Montgomery County. Ohlman
Nokomis
Coalton
Witt
Irving
Schram City
Hillsboro
Litchfield
IL St Rt 16 is multi-plexed in Montgomery County. Illinois State Route 127, from near Butler to Hillsboro.
IL St Rt 16 intersects the following highways in Montgomery County. Illinois State Route 127, at Hillsboro.
WB IL St Rt 16 near Ohlman. A Montgomery County mile marker. WB IL St Rt 16 in Witt. EB IL St Rt 16/SB IL St Rt 127 at east IL St Rt 16. A junction marker on EB IL St Rt 16/SB IL St Rt 127. EB ILL St Rt 16/SB IL St Rt 127 south of Downtown Hillsboro. A guide marker in Hillsboro. EB IL St Rt 16/SB IL St Rt 127 in Hillsboro. EB IL St Rt 16/SB IL St Rt 127 west of Hillsboro. EB IL St Rt 16 west of IL St Rt 127. EB IL St Rt 16 east of Litchfield. WB IL St Rt 16 in Litchfield. A guide marker in Litchfield. EB IL St Rt 16 east of I-55 at Litchfield. A BGS on NB I-55. A BGS on SB I-55. A BGS on SB I-55. EB IL St Rt 16 west of I-55. EB IL St Rt 16 at the Macoupin/Montgomery County Line.
