121 - Union/Streeterville Express
We do not have a detailed description for this route.
For more information, visit https://www.transitchicago.com/bus/121/.
Current Service Alerts
Temporary Bus Stop Change
How does this affect my trip?
Buses will no longer board on Jackson west of Canal (Stop 
) . Instead, customers can board buses in the Union Station Transit Center, just south of the current stop, adjacent to #28 Stony Island buses (Stop 
).
Why is service being changed?
Service is affected due to an ongoing construction project in the area.
Recently Resolved Service Alerts
There are no recently resolved service alerts for this route.
Stations Served
This route stops at Adams & Canal, Fairbanks & Chicago, Fairbanks & Erie, Fairbanks & Huron, Fairbanks & Ohio, Fairbanks & Superior, Grand & St. Clair, Illinois (Lower) & St. Clair, McClurg & Grand, McClurg & Huron, McClurg & Ontario, Michigan (Lower) & E. Wacker, Michigan (Lower) & Hubbard, Michigan (Lower) & Illinois, Michigan (Lower) & Kinzie, Ontario & McClurg, S. Water (Lower) & Michigan, Union Station Transit Center, Wacker (Lower) & Michigan and Wacker (Upper) & Adams.
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Mobility Bot utilizes data provided by Transitland.
CTA data provided by Chicago Transit Authority.