Roads of the Mid-South & West > Highways of the State of Illinois > Illinois State Routes 101-199 > Illinois State Route 143 > Illinois State Route 143, Madison County

Illinois State Route 143
Madison County

Illinois State Route 143 runs east-west across Madison County. This runs from Alton to near Highland.

IL St Rt 143 passes through the following towns in Madison County.
Alton

East Alton

Wood River

Roxana

Edwardsville

Marine

Highland


IL St Rt 143 is multi-plexed in Madison County.
Illinois State Route 159, at Edwardsville.
Illinois State Route 157, at Edwardsville.

U.S. Rt. 40, at Highland.

Illinois State Route 160, at Highland.


IL St Rt 143 intersects the following highways in Madison County.
U.S. Rt. 67, at Alton.
Illinois State Route 140, at Alton.
Illinois State Route 3, at Wood River.

Illinois State Route 111, Wood River.

Illinois State Route 255, at Roxana.


Illinois State Route 159, at Edwardsville.
Illinois State Route 157, at Edwardsville.

Illinois State Route 159, at Edwardsville.

Illinois State Route 157, at Edwardsville.

Interstate 55, near Edwardsville.
Illinois State Route 4, near Marine.

Interstate 70, near Marine.
U.S. Rt. 40, at Highland.

Illinois State Route 160, at Highland.

Illinois State Route 160, at Highland.

U.S. Rt. 40, near Pierron.



The western end of IL St Rt 143.

The western end marker.

A junction marker on WB IL St Rt 140.

A guide marker on WB IL St Rt 140.

WB IL St Rt 143 in Wood River.

WB IL St Rt 143 at IL St Rt 255.

A BGS on NB IL St Rt 255.

A junction marker on EB IL St Rt 143/NB IL St Rt 157.

EB IL St Rt 143 in Edwardsville.

A Madison County mile marker.

EB IL St Rt 143 east of Edwardsville.

A BGS on SB I-55.

A BGS on SB I-55.

A BGS on SB I-55.

A BGS on SB I-55.

EB IL St Rt 143 near IL St Rt 4.

A junction marker on NB IL St Rt 4.

EB IL St Rt 143 near Marine.

WB IL St Rt 143 west of I-70.

A BGS on WB I-70.

EB IL St Rt 143 near Highland Silver Lake.

EB IL St Rt 143 near Highland.

EB U.S. Rt. 40/IL St Rt 143; SB IL St Rt 160 at Highland.

EB U.S. Rt. 40/IL St Rt 143 near Highland.

A BGS on WB I-70/U.S. Rt. 40.

A BGS on WB I-70/U.S. Rt. 40.

EB IL St Rt 143 near Pierron.

4 May 2019