Roads of the Mid-South & West > Highways of the State of Illinois > Illinois State Routes 1-50 > Illinois State Route 3 > Illinois State Route 3, Monroe County

Illinois State Route 3
Monroe County

Illinois State Route 3 is the main route in Monroe County. This highway runs north-south from St. Clair County to Randolph County. From Interstate 255, at Columbia, to Waterloo, IL St Rt 3 is four lanes.

IL St Rt 3 passes through the following towns in Monroe County.
Columbia

Waterloo


IL St Rt 3 is multi-plexed in Monroe County.
Interstate 255, from the St. Clair/Monroe County Line to Columbia.
U.S. Rt. 50, from the St. Clair/Monroe County Line to Columbia.

IL St Rt 3 intersects the following highways in Monroe County.
Interstate 255, at Columbia.
U.S. Rt. 50, at Columbia.

Illinois State Route 158, at Columbia.

Illinois State Route 156, at Waterloo.



SB I-255/IL St Rt 3; WB U.S. Rt. 50 at the Monroe/St. Clair County Line.

SB I-255/IL St Rt 3; WB U.S. Rt. 50 south of the Monroe/St. Clair County Line.

A BGS on NB I-255/EB U.S. Rt. 50.

A set of BGS's on NB IL St Rt 3.

A BGS in Columbia.

Looking north along IL St Rt 3 in Cloumbia.

A sign for the last exit before I-255/U.S. Rt. 50, on NB IL St Rt 3 in Columbia.

NB IL St Rt 3 in Columbia.

SB IL St Rt 3 at IL St Rt 158.

NB IL St Rt 3 at IL St Rt 158.

A BGS on WB IL St Rt 158.

A BGS on WB IL St Rt 158.

A Monroe County mile marker.

NB IL St Rt 3 near New Hanover.

A guide marker on NB IL St Rt 3.

SB IL St Rt 3 at Waterloo.

NB IL St Rt 3 south of Waterloo.

A milage sign on SB IL St Rt 3.

2 February 2015