Illinois State Route 146 is a east-west highway across Central Union County. This runs along the Great River Road from the Union/Alexander County Line to near Ware. IL St Rt 146 passes through the following towns in Union County. Ware
NB IL St Rt 3/EB IL St Rt 146 near the Alexander/Union County Line. EB IL St Rt 146 in Ware. WB IL St Rt 146 in Anna. A junction marker on NB U.S. Rt. 51. A BGS on NB I-57. EB IL St Rt 146 east of I-57.
