Building Entrances
There are two entrances to the 55 W. Wacker building:
Entrance 1: On Wacker between Dearborn & Clark
Entrance 2: On Dearborn between Lake & Wacker
Driving & Parking
Parking downtown is expensive. Some garages offer discounted daily rates if you arrive and depart by certain times (usually in by 9 a.m. & out by 6 p.m.) For a helpful parking map, visit chicagoparkingmap.com. Less expensive parking may be available by using parking apps such as spothero or parkwhiz prior to your arrival. Your spot is guaranteed, and you will receive directions to your parking location.
Nearby Parking Garages
181 N. Clark St.
Map → | Entrances on Dearborn St. (one way going north—access Dearborn by heading east on Washington Street) and an entrance on Lake Street (one way going east).
Walking Directions → | Walk to the ISACS office by exiting the parking structure on Dearborn and turning right. Walk approximately 2 blocks north on Dearborn St. to Wacker Drive. Enter the 55 West Wacker Building and take the elevators to the 7th floor.
181 N. Dearborn St.
Map → | Entrances on Lake St. (one way going east) and on Clark St. (one way going south via Wacker Dr.)
Walking Directions → | Walk to the ISACS office by exiting the parking structure on Clark St. and right. Walk 2 ½ blocks north to Wacker Dr. and turn right. Walk east on Wacker Dr. <1 block. Enter the 55 West Wacker Building and take the elevators to the 7th floor.
Driving from the Airport
Public Transportation: CTA (El/Train)
Chicago's CTA system offers a safe, reliable, affordable, and fast way to get downtown. You may wish to purchase a pass or reloadable Ventra card for your trip.
Taking the Train from the Airport
Midway (MDW) via the CTA Orange Line
Cost: $5 roundtrip ($2.50 each way)
O'Hare (ORD) via the CTA Blue Line
Cost: $7.50 roundtrip ($5 from O'Hare; $2.50 from downtown)
Please Note: The State/Lake CTA Station will be closed for construction through 2029.
The directions above are current, changes are noted below for reference. Full guidelines are available here.
If taking the Orange Line from Midway, please exit at Clark/Lake.
The Blue Line from O'Hare will not be impacted.
We recommend using the links on this page or checking Google Maps for the most up-to-date directions when planning your visit to ISACS.