Illinois State Route 100 is a north-south highway in Eastern Pike County. This is one of the main highways in this portion of the county. IL St Rt 100 passes through the following towns in Pike County. Pearl
Milton
Detroit
IL St Rt 100 is multi-plexed in Pike County. Illinois State Route 106, from Detroit to the Pike/Scott County Line.
IL St Rt 100 intersects the following highways in Pike County. Illinois State Route 106, at Detroit.
SB IL St Rt 100/WB IL St Rt 106 on the eastern banks of the Illinois River. SB IL St Rt 100/WB IL St Rt 106 at the Illinois River bridge. SB IL St Rt 100/WB IL St Rt 106 near the draw tower on the Illinois River Bridge. SB IL St Rt 100/WB IL St Rt 106 west of the Illinois River. SB IL St Rt 100/WB IL St Rt 106 near Detroit. SB IL St Rt 100 south of Detroit. SB IL St Rt 100 north of Milton. NB IL St Rt 100 north of Milton. SB IL St Rt 100 north of Pearl. SB IL St Rt 100 south of Pearl. NB IL St Rt 100 at the Calhoun/Pike County Line.