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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, St. Clair County

Illinois State Route 3
St. Clair County

Illinois State Route 3 runs north-south along the Mississippi River and the Illinois/Missouri State Line. Portions of this highway runs with the Poplar Street Bridge Complex in East St. Louis.
IL St Rt 3 passes through the following towns in St. Clair County.
Brooklyn

Fairmont City
East St. Louis

Sauget

Cahokia

Dupo
IL St Rt 3 is multi-plexed in St. Clair County.
Interstate 64, at East St. Louis.
Interstate 55, at East St. Louis.
Interstate 70, at East St. Louis.
U.S. Rt. 40, at East St. Louis.

Interstate 255, from Dupo to the St. Clair/Monroe County Line.

U.S. Rt. 50, from Dupo to the St. Clair/Monroe County Line.
IL St Rt 3 intersects the following highways in St. Clair County.
Interstate 64, at East St. Louis.
Interstate 55, at East. St. Louis.
Interstate 70, at East St. Louis.
U.S. Rt. 40, at East. St. Louis.
Interstate 55, at East St. Louis.
Interstate 64, at East St. Louis.
Interstate 70, at East St. Louis.
U.S. Rt. 40, at East St. Louis.
Illinois State Route 157, at Cahokia.

Interstate 255, at Dupo.
U.S. Rt. 50, at Dupo.

A set of junction markers on NB Old IL St Rt 3.

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

NB I-255/EB U.S. Rt. 50 at the split from NB IL St Rt 3.

NB IL St Rt 3 north of I-255/U.S. Rt. 50.

NB IL St Rt 3 in Dupo.

A BGS on NB IL St Rt 3.

NB IL St Rt 3 near I-55/64/70; U.S. Rt. 40.

A BGS on NB I-55; EB I-64/70.

SB I-55/IL St Rt 3; WB I-64/70; U.S. Rt. 40.

Another BGS on NB I-55/IL St Rt 3; EB I-64/70/U.S. Rt. 40.

NB I-55/IL St Rt 3; EB I-64/70; EB U.S. Rt. 40 at the Illinois Welcome Sign. (September, 2007)

NB IL St Rt 3 north of I-55/64/70; U.S. Rt. 40.
11 October 2007