Illinois State Route 13 passes briefly through Randolph County. On the northeastern edge of the county, IL St Rt 13 parallels the Canadian National (formally Illinois Central Railroad) Railroad through Randolph County. IL St Rt 13 passes through the following towns. Tilden
NB IL St Rt 4/WB IL St Rt 13 near Tilden. A set of junction markers on SB IL St Rt 4/EB IL St Rt 13. EB IL St Rt 13 west of Tilden. EB IL St Rt 13 east of Tilden. EB IL St Rt 13/SB IL St Rt 153 in Coulterville.