Illinois State Route 49 is one of the main north-south highways in Clark County. This runs along the western edge of the county. This serves mostly small rural villages. IL St Rt 49 passes through the following towns in Clark County. Westfield Oilfield Casey
IL St Rt 49 is not multi-plexed in Clark County. IL St Rt 49 intersects the following highways in Clark County. Interstate 70, near Casey. U.S. Rt. 40, at Casey.
NB IL St Rt 49 near Westfield. NB IL St Rt 49 near Oilfield. NB IL St Rt 49 north of I-70. A BGS on EB I-70. A BGS on EB I-70. NB IL St Rt 49 south of I-70. SB IL St Rt 49 north of Casey. A guide sign on WB U.S. Rt. 40 for the control cities on IL St Rt 49. SB IL St Rt 49 near Moriah. A Clark County mile marker. NB IL St Rt 49 at the Clark/Cumberland County Line.