Illinois State Route 169 is a short east-west highway in Northwestern Massac County. This runs from U.S. Rt. 45, near Mermet, to the Massac/Pulaski County Line. IL St Rt 169 passes through the following town in Massac County. Boaz IL St Rt 169 is not multi-plexed in Massac County. IL St Rt 169 intersects the following highway in Massac County. U.S. Rt. 45, near Mermet.
A junction marker on SB U.S. Rt. 45. EB IL St Rt 169 at U.S. Rt. 45. A Massic County mile marker.
