Illinois State Route 94 is a north-south highway in Mercer County. This runs through the central portion of the county. IL St Rt 94 passes through the following towns in Mercer County. Aledo
SB IL St Rt 94 at the Mercer/Rock Island County Line. A Mercer County mile marker. WB IL St Rt 17/SB IL St Rt 94 in Aledo. NB IL St Rt 94 at the Mercer/Warren County Line.
