Quad Cities to Lee/Whiteside County Line. Western end marker. This turns into IL St Rt 5, and goes further into Moline. The western end of I-88. The begin marker near Carbon Cliff at the Quad-City Metro Area. The western start of I-88. A BGS on EB I-80. (July, 2004) A BGS on EB I-280. WB I-88 as is near the Quad-City Area. A BGS on WB IL St Rt 92. A BGS on Old Hwy. 2 near Hillsdale. WB I-88/IL St Rt 110 at the Rock Island/Whiteside County Line. A marker for the Ronald Reagan Memorial Highway on WB I-88/IL St Rt 110. WB I-88/IL St Rt 110 near Como. WB I-88/IL St Rt 110 near Rock Falls. Continue... Lee/Whiteside County Line to Du Page/Kane County Line