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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
6:10a-9:15a weekdays
McClurg/Huron west to Union Station
6:35a-9:10a weekdays
Union Station east to McClurg/Huron
3:10p-5:55p weekdays
Fairbanks/Huron west to Union Station
2:35p-6:25p weekdays
No stops between Union Station and Lower South Water/Michigan eastbound, and Lower Wacker/Michigan westbound (except as noted).

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

Service alerts

Current alerts 1
New Schedules in Effect
Service Change

Beginning Sunday, June 7, updated schedules will go into effect on some CTA bus routes. See latest schedules at transitchicago.com.

 RSS Feed: #121 Union/Streeterville Express Alerts

Route map

Route Map