bus_route_default

121 Union/Streeterville Express

Bus route information

All CTA buses are accessible

Service description: See schedule for full details.

First bus/last bus

Spans of service below show when first bus departs terminal of origin through last bus departs terminal of origin. First and last buses reach mid-route stops later than these times-see schedule or use trip planner for specific times when service works for you.

Union Station east to Fairbanks/Chicago
6:40a-9:15a weekdays
McClurg/Huron west to Union Station
6:45a-9:35a weekdays
Union Station east to McClurg/Huron
4:00p-5:55p 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.)

Service alerts

Current alerts 1
New Schedules in Effect
Special note

Beginning Sunday, June 17, updated schedules will go into effect for several bus routes.

Upcoming alerts 1

 RSS Feed: #121 Union/Streeterville Express Alerts

System status snapshot
‘L’ route status
Red Line
Normal Service
Blue Line
Normal Service
Brown Line
Normal Service
Green Line
Normal Service
Orange Line
Normal Service
Pink Line
Normal Service
Purple Line
Normal Service
Yellow Line
Normal Service
Bus routes w/alerts
Elevator alerts