Mc Lean County Highway 15 is a main north-south highway in Eastern-Mc Lean County. This connects the Colfax Area to the southeastern portions of the county. McLCH 15 passes through the following towns. Arrowsmith
The northern end of McLCH 15 at IL St Rt 165. The northern end marker. A junction marker on SB Mc LCH 13. SB Mc LCH 15 south of Colfax. SB Mc LCH 15 near IL St Rt 9. Looking south along Mc LCH 15 near IL St Rt 9. SB Mc LCH 15 near Mc LCH 28. SB Mc LCH 15 near Arrowsmith. NB MC LCH 15 in Arrowsmith. NB McLCH 15 north of U.S. Rt. 136. The southern end marker.