From Chicago O'Hare International Airport:
Merge onto I-90 E toward Chicago Loop
I-90 E becomes I-90 E/Kennedy Expressway E
Take the E Washington Blvd Exit 51C
Turn left onto W Washington Blvd
W Washington Blvd becomes W Washington St
Turn left on onto N Upper Wacker Dr/N Wacker Dr
End at 123 N Upper Wacker Dr/N Wacker Dr