Illinois State Route 75 runs east-west across much of Northern Winnebago County. This highway is the main link between South Beloit, Rockton, and Northwestern Winnebago County. IL St Rt 75 passes through the following towns in Winnebago County. South Beloit
Rockton
Harrison
IL St Rt 75 is multi-plexed in Winnebago County. U.S. Rt. 51, near South Beloit.
EB IL St Rt 75 east of Durand. EB IL St Rt 75 near the Pacatonica River. WB IL St Rt 75 east of Harrison. A Winnebago County mile marker. EB IL St Rt 75 near Rockton. A guide marker in Rockton. EB IL St Rt 75 crossing the Rock River. EB IL St Rt 75 in Rockton. NB IL St Rt 2/EB IL St Rt 75 between Rockton and South Beloit. NB IL St Rt 2/EB IL St Rt 75 in South Beloit. A junction marker on NB IL St Rt 2/EB IL St Rt 75. NB IL St Rt 2/EB IL St Rt 75 near the Wisconsin State Line. A junction marker on SB U.S. Rt. 51. A BGS on the ISTHA portion of NB I-39/U.S. Rt. 51; WB I-90. A BGS on the IDOT portion of NB I-39/U.S. Rt. 51; WB I-90. A BGS on SB I-39/EB I-90. A BGS on NB I-39/U.S. Rt. 51; WB I-90. A BGS on NB I-39/U.S. Rt. 51; WB I-90. WB IL St Rt 75 near I-39/90; U.S. Rt. 51. The eastern start to IL St Rt 75 at the Illinois/Wisconsin State Line. The eastern starting markers. WB IL St Rt 75 at the Illinois Welcome Sign. The eastern end. The eastern end marker.
