Bus - on Michigan in front of Millennium Park fountain installation

Bus Route121 Union/Streeterville Express

  All CTA buses are accessible.

Route Information

Schedule Brochure  Schedule Brochure (.pdf)
  Text Timetable (via Goroo)
Bus Stop List  Bus Stop List (.htm)

Service Description: See schedule for full details.

Service Hours:
Union Station east to Fairbanks/Chicago
6:40a-9:15a weekdays
McClurg/Huron west to Union Station
6:40a-9:35a weekdays
Union Station east to McClurg/Huron
4:00p-5:50p weekdays
Fairbanks/Huron west to Union Station
3:40p-6:15p weekdays
No stops between Union Station and Lower South Water/Michigan eastbound and Lower Wacker/Michigan westbound (except as noted).

Stops westbound am only at Adams/Wacker.

(Precise hours of service may vary depending on where along the route you are.)

Customer Alerts

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System Status



Red Line Normal Service
Blue Line Normal Service
Brown Line Normal Service
Green Line Normal Service
Orange Line Normal Service
Purple Line Normal Service
Pink Line Normal Service
Yellow Line Service Suspended


Routes with Current Alerts (View All):
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