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ChicagoCTA

CTA 4 bus

Cottage Grove

80 % on time

CTA 4 bus Stop List and Next Departures

The CTA 4 - Cottage Grove bus serves 122 bus stops in the Chicago area departing from Columbus / Randolph and ending at 115th Street Metra Station. Scroll down to see upcoming 4 bus times at each stop and the next scheduled 4 bus times will be displayed. The full 4 bus schedule as well as real-time departures can be found in the Transit app.

South
North
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Stops
Mon, May 4, 2026
CTA Cottage Grove map

CTA 4 bus route map

The CTA 4 - Cottage Grove bus route map is shown above. The route map shows you an overview of all the stops served by the CTA 4 bus to help you plan your trip on CTA. Opening the app will allow you to see more detailed information about the route on a map including stop specific alerts, such as stops that have been closed or moved. You can also see the location of vehicles in real-time on the route map so you know when the 4 bus is approaching your stop.

See the detailed route map

CTA 4 bus Service Alerts

Open the Transit app to see more information about any active disruptions that may impact the 4 bus schedule, such as detours, moved stops, trip cancellations, major delays, or other service changes to the bus route. The Transit app also allows you to subscribe to receive notifications for any service alert issued by CTA so that you can plan your trip around any active or future disruptions.

See all alerts

CTA 4 bus Service Frequency

The next 4 bus leaves Columbus / Randolph at 9:44 PM, and arrives at 115th Street Metra Station at 10:59 PM. You can see the frequency of upcoming trips and the exact departure times by opening the Transit app.

See all departures

CTA 4 bus On-Time Performance

80 % on time

80% of riders report that the CTA 4 bus arrived on time on their previous trip. In the past 30 days, 72 riders reported on the on-time performance of the 4 bus. Compared to other CTA lines, the 4 bus is ranked 21 out of 131 CTA lines. These on-time performance stats are user reported and may differ from official CTA metrics. See more details about on time, late or early departure reports for the 4 by opening the Transit app.

See all on-time performance details

CTA 4 bus FAQ

  • What time does the next CTA 4 bus depart from Columbus / Randolph?

    The next 4 bus leaves Columbus / Randolph at 9:44 PM, and arrives at 115th Street Metra Station at 10:59 PM. The total trip time for the next CTA 4 bus is 75 min.

  • Is the CTA 4 bus running on time, early or late?

    You can track your bus on a map, monitor real-time updates, and see adjustments to the CTA 4 schedule by downloading the Transit app.

  • When does the next CTA 4 bus arrive?

    You can see the next CTA 4 bus times in the app as well as future departure times for the 4 bus.

  • How many bus stops are there for the CTA 4 bus?

    There are 122 stops on the CTA 4 bus.

  • Is the CTA 4 bus usually crowded?

    You can find real-time information on CTA 4 bus crowding levels in the Transit app (available in select cities or on select trips). You can also see predictions on how crowded the bus will be when it gets to your bus stop.

  • Is the CTA 4 bus currently running?

    Find out the current status for the CTA 4 bus in the Transit app.

  • What is the closest CTA 4 bus stop to me?

    Open the Transit app to see your location on a map and find the closest 4 bus stop to where you are.

  • Is my CTA bus 4 trip cancelled?

    Open Transit app to track specific CTA trip cancellations and avoid those dreaded “ghost buses”. Cancelled trips are now shown with a strikethrough in the app. You’ll also be able to see real-time information for alternative trips.

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