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ChicagoCTA

CTA bus X4

Cottage Grove Express

73 % on time

CTA bus X4 stop list and CTA bus tracker X4

The CTA bus X4 - Cottage Grove Express serves 42 bus stops in Chicago departing from Columbus / Randolph and ending at State / 95th Street. Scroll down to see upcoming bus X4 times at each stop. You can also see connecting lines for the bus X4 route at each stop, including connections to the 'L' or other transit options, so you can understand where and when to transfer. The CTA bus tracker X4 shows the next scheduled departure from the CTA. The full CTA X4 schedule with real-time tracker data is available in the Transit app.

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Stops
Wed, May 27, 2026
CTA Cottage Grove Express map

CTA bus X4 route map

The CTA bus X4 - Cottage Grove Express route map is shown above. The route map shows you an overview of all the stops served by the CTA bus X4 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 use the included CTA tracker in the app to see the location of vehicles in real-time on the route map so you know when the X4 bus is approaching your stop.

See the detailed route map

CTA bus X4 Service Alerts

Open the Transit app to see more information about any active disruptions that may impact the bus X4 schedule, such as detours, moved stops, trip cancellations, major delays, or other service changes to the bus route. The 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.

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CTA X4 bus Service Frequency

The next X4 bus leaves Columbus / Randolph at 5:16 PM, and arrives at State / 95th Street at 6:41 PM. You can see the frequency of upcoming trips and the exact departure times by opening the Transit app.

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CTA X4 bus On-Time Performance

73 % on time

73% of riders report that the CTA X4 bus arrived on time on their previous trip. In the past 30 days, 13 riders reported on the on-time performance of the X4 bus. Compared to other CTA lines, the X4 bus is ranked 41 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 X4 by opening the Transit app.

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CTA bus X4 FAQ

  • What time does the next CTA bus X4 depart from Columbus / Randolph?

    The next bus X4 leaves Columbus / Randolph at 5:16 PM, and arrives at State / 95th Street at 6:41 PM. The total trip time for the next CTA bus X4 is 85.

  • Is the CTA bus X4 running on time, early or late?

    You can track your bus on a map, monitor real-time updates, and see adjustments to the CTA X4 schedule by downloading the Transit app.

  • When does the next CTA bus X4 arrive?

    You can see the next CTA bus X4 times in the app as well as future departure times for the bus X4.

  • How many bus stops are there for the CTA bus X4?

    There are 42 stops on the CTA bus X4.

  • Is the CTA bus X4 usually crowded?

    You can find real-time information on CTA bus X4 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 bus X4 currently running?

    Find out the current status for the CTA bus X4 in the Transit app

  • What is the closest CTA bus X4 stop to me?

    Open the Transit app to see your location on a map and find the closest bus X4 stop to where you are.

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