4 Cottage Grove

Bus route information

Owl (overnight) service available
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.

115th/Cottage Grove north to Columbus/Randolph
5:00a-10:10p weekdays, 6:00a-10:05p Saturday, 7:05a-10:10p Sunday
Columbus/Randolph south to Cottage Grove/115th
5:15a-8:25p weekdays, 5:25a-8:25p Saturday, 5:40a-8:30p Sunday
95th/Dan Ryan Red Line station north to Columbus/Randolph
4:15a-11:40p weekdays, 4:20a-6:25p Saturday, See note Sunday
Columbus/Randolph south to 95th/Dan Ryan Red Line station
4:10a-11:50p weekdays, 4:10a-11:50p Saturday, See note Sunday
Overnight (owl) service operates between 63rd/Cottage Grove and Columbus/Randolph.
Additional weekday northbound service from 95th/Dan Ryan Red Line station to Columbus/Randolph.
Limited Sunday service to/from 95th/Dan Ryan Red Line station. Service to/from 95th/Dan Ryan Red Line station also provided by #3 King Drive buses.

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

Service alerts

Current alerts 3
New Schedules in Effect
Service Change

Beginning Sunday, Jun 9 updated schedules will go into effect on some CTA bus routes. See latest schedules at

Temporary Bus Stop Change
Planned Reroute

The NB #4 and #X4 bus stop on the northeast corner at Columbus/Randolph will be temporarily out of service.

Temporary Reroute
Planned Reroute

SB #4 and #X4 buses operate via Cottage Grove, South Chicago, Greenwood, 75th, and Cottage Grove. NB via Cottage Grove, 75th, South Chicago, and Cottage Grove.

Upcoming alerts 1

 RSS Feed: #4 Cottage Grove Alerts

Route map

Route Map
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
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