Illinois State Route 3 is a north-south highway through Alexander County. It is the main highway through the county. IL St Rt 3 passes through the following towns in Alexander County. Mc Clure
Gale Olive Branch
Cache Klondike
IL St Rt 3 is multi-plexed in Alexander County. Illinois State Route 146, from the Union/Alexander County Line to near Mc Clure.
NB IL St Rt 3/EB IL St Rt 146 near the Alexander/Union County Line. NB IL St Rt 3 south of IL St Rt 146. NB IL St Rt 3 along the Mississippi River, near Thebes. NB IL St Rt 3 near Thebes. NB IL St Rt 3 near Olive Branch. NB IL St Rt 3 south of IL St Rt 127. A Alexander County mile marker. NB IL St Rt 3 south of Klondike. A BGS on NB I-57. SB U.S. Rt. 51/IL St Rt 3 near Future City. A junction marker on NB U.S. Rt. 51. The southern end of IL St Rt 3 near Future City. (July, 2006) The southern end marker. (July, 2006) The southern end marker. (June, 2004)
