Mc Lean County Highway 21 is a main north-south highway through Central and South-Central Mc Lean County. Mc LCH 21 passes through the following towns. Padua Le Roy
The northern end near Lexington. The northern end marker. A guide sign for McLCH 21 on EB IL St Rt 165. Junction sign on EB Mc LCH 28. A junction marker on WB Mc LCH 28. Looking south along Mc LCH 21 north of Le Roy. A guide marker on WB McLCH 40. Sign assembly in Le Roy at U.S. Rt. 150. A BGS on WB I-74. NB Mc LCH 21 south of Le Roy. NB Mc LCH 21 south of U.S. Rt. 136. Looking north along Mc LCH 21 at the De Witt/Mc Lean County Line. The southern end marker.
