Illinois State Route 13 is a highway in Eastern Jackson County. It is a four-lane highway from Murphysboro to the Jackson/Williamson County Line. IL St Rt 13 passes through the following towns in Jackson County. Vergennes Murphysboro
Carbondale IL St Rt 13 is multi-plexed in Jackson County. Illinois State Route 127, from the Jackson/Perry County Line to Murphysboro.
WB IL St Rt 13 in Carbondale. A Jackson County mile marker. A junction marker on NB IL St Rt 127/EB IL St Rt 149. EB IL St Rt 13/SB IL St Rt 127/WB IL St Rt 149 in Murphysboro.