
Year : 1961
State : IL
Inter 1 : I94
Inter 2 : I94
Interstate 94 Chicago, Illinois. View of Northwest Expressway showing heavy traffic on a section of reversible roadway with 6 lanes of traffic. Looking West from Irving Park overpass.

Year : 1963
State : IL
Inter 1 : I57
Inter 2 : I70
Illinois - A tri-level interchange interconnects Interstate Routes 57 and 70 southwest of Effingham. Each of the three levels carries traffic in one direction only.

Year : 1964
State : IL
Inter 1 : Illinois
Inter 2 : None
AASHO Road Test - Illinois - Aerial view of AASHO Road Test.