Interstate Highways, the DeKalb oasis was constructed at milepost 93 in 1975, prior to the route's designation as I-88, and remains in operation. From 2005 lasting through 2012, ISTHA reconstructed and widened much of the original portion of I-88, between York Road and IL 56. Approximately $991.6 million (equivalent to $ in ) was budgeted for I-88 over that period. Between 2005 and 2009, I-88 was reconstructed and widened to four lanes in each direction between IL 59 and York Road, with work progressing gradually from west to east. The project included a reconstruction and reconfiguration of the Naperville Road interchange. Between IL 56 and the Aurora Toll Plaza, I-88 was reconstructed and widened to three lanes in each direction, including the reconstruction of the IL 31 interchange and new bridges over the Fox River. Exit list References External links Illinois Highway Ends: Interstate 88 Historic, Current & Average Travel Times For The Ronald Reagan Tollway Illinois Tollway website 88 west 88 088 Expressways in the Chicago area Transportation in Rock Island County, Illinois Transportation in Whiteside County, Illinois Transportation in Lee County, Illinois Transportation in Ogle County, Illinois Transportation in DeKalb County, Illinois Transportation in Kane County, Illinois Transportation in DuPage County, Illinois Transportation in Cook County, Illinois