Roads of the Mid-South & West > Highways of the State of Illinois > Illinois State Routes 101-199 > Illinois State Route 121 > Illinois State Route 121, Coles County

Illinois State Route 121
Coles County

Illinois State Route 121 cuts across the southwest corner of Coles County.

IL St Rt 121 passes through the following towns in Coles County.
Coles
Mattoon


IL St Rt 121 is multi-plexed in Coles County.
U.S. Rt. 45, from Mattoon to the Coles/Cumberland County Line.

Illinois State Route 16, at Mattoon.

IL St Rt 121 intersects the following highways in Coles County.
U.S. Rt. 45, at Mattoon.

Illinois State Route 16, at Mattoon.

Illinois State Route 16, at Mattoon.
Interstate 57, at Mattoon.


SB U.S. Rt. 45/EB IL St Rt 121 in Mattoon.

SB U.S. Rt. 45/EB IL St Rt 121 north of IL St Rt 16.

BGS on SB I-57.

A BGSS on SB I-57.

12 December 2016