Roads of the Mid-South & West > Highways of the State of Illinois > Illinois State Route 1-50 > Illinois State Route 4 > Illinois State Route 4, St. Clair County

Illinois State Route 4
St. Clair County

Illinois State Route 4 is the main north-south highway in Eastern St. Clair County. This is a two lane highway through the entire county.

IL St Rt 4 passes through the following towns in St. Clair County.
Lebanon

Mascoutah

Fayetteville

St. Libory

Marissa


IL St Rt 4 is multi-plexed in St. Clair County.
U.S. Rt. 50, at Lebanon.

Illinois State Route 15, from Fayetteville to St. Libory.

Illinois State Route 13, from Marissa to the St. Clair/Washington/Randolph County Line.


IL St Rt 4 intersects the following highways in St. Clair County.
U.S. Rt. 50, at Lebanon.

U.S. Rt. 50, at Lebanon.

Interstate 64, near Mascoutah.
Illinois State Route 161, near Mascoutah.

Illinois State Route 177, at Mascoutah.

Illinois State Route 15, at Fayetteville.

Illinois State Route 15, at St. Libory.

Illinois State Route 13, at Marissa.



SB IL St Rt 4/EB IL St Rt 13 near the Randolph/St. Clair/Washington County Line.

SB IL St Rt 4/EB IL St Rt 13 at Marissa.

SB IL St Rt 4 north of IL St Rt 13.

SB IL St Rt 4 on the northside of Marissa.

SB IL St Rt 4 near Mud Creek.

SB IL St Rt 4 near Mud Creek Road.

SB IL St Rt 4 south of Lenzburg Road East.

SB IL St Rt 4 north of Lenzburg Road East.

NB IL St Rt 4 near Darmstadt.

SB IL St Rt 4 south of St. Libory.

SB IL St Rt 4 south of St. Libory.

SB IL St Rt 4/EB IL St Rt 15 in St. Libory.

A junction marker on SB IL St Rt 4/EB IL St Rt 15.

SB IL St Rt 4/EB IL St Rt 15 north of St. Libory.

SB IL St Rt 4/EB IL St Rt 15 near St. Libory.

SB IL St Rt 4/EB IL St Rt 15 east of Fayetteville.

SB IL St Rt 4/EB IL St Rt 15 near the Kaskaskia River in Fayetteville.

SB IL St Rt 4 north of IL St Rt 15.

SB IL St Rt 4 north of Fayetteville.

SB IL St Rt 4 south of Jefferson Road.

SB IL St Rt 4 near Jefferson Road.

SB IL St Rt 4 south of Mascoutah.

SB IL St Rt 4 in Mascoutah.

SB IL St Rt 4 north of IL St Rt 177.

SB IL St Rt 4 north of IL St Rt 161.

A BGS on EB I-64.

A BGS on EB I-64.

NB IL St Rt 4 north of Mid-America Airport.

A St. Clair County mile marker.

SB IL St Rt 4 south of Lebanon.

NB IL St Rt 4 south of Lebanon.

EB U.S. Rt. 50/NB IL St Rt 4 in Lebanon.

A junction marker on EB U.S. Rt. 50/NB IL St Rt 4 in Lebanon.

WB U.S. Rt. 50/SB IL St Rt 4 at Dee St in Lebanon.

A junction marker on WB U.S. Rt. 50.

10 January 2018