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ChicagoCTA

CTA bus 20

Madison

83 % on time

CTA bus 20 stop list and CTA bus tracker 20

The CTA bus 20 - Madison serves 60 bus stops in Chicago departing from Madison / Wabash and ending at Madison / Austin Terminal. Scroll down to see upcoming bus 20 times at each stop. You can also see connecting lines for the bus 20 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 20 shows the next scheduled departure from the CTA. The full CTA 20 schedule with real-time tracker data is available in the Transit app.

West
East
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Stops
Mon, May 4, 2026
CTA Madison map

CTA bus 20 route map

The CTA bus 20 - Madison route map is shown above. The route map shows you an overview of all the stops served by the CTA bus 20 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 20 bus is approaching your stop.

See the detailed route map

CTA bus 20 Service Alerts

Open the Transit app to see more information about any active disruptions that may impact the bus 20 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.

See all alerts

CTA 20 bus Service Frequency

The next 20 bus leaves Madison / Wabash at 8:55 PM, and arrives at Madison / Austin Terminal at 9:41 PM. You can see the frequency of upcoming trips and the exact departure times by opening the Transit app.

See all departures

CTA 20 bus On-Time Performance

83 % on time

83% of riders report that the CTA 20 bus arrived on time on their previous trip. In the past 30 days, 114 riders reported on the on-time performance of the 20 bus. Compared to other CTA lines, the 20 bus is ranked 15 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 20 by opening the Transit app.

See all on-time performance details

CTA bus 20 FAQ

  • What time does the next CTA bus 20 depart from Madison / Wabash?

    The next bus 20 leaves Madison / Wabash at 8:55 PM, and arrives at Madison / Austin Terminal at 9:41 PM. The total trip time for the next CTA bus 20 is 46.

  • Is the CTA bus 20 running on time, early or late?

    You can track your bus on a map, monitor real-time updates, and see adjustments to the CTA 20 schedule by downloading the Transit app.

  • When does the next CTA bus 20 arrive?

    You can see the next CTA bus 20 times in the app as well as future departure times for the bus 20.

  • How many bus stops are there for the CTA bus 20?

    There are 60 stops on the CTA bus 20.

  • Is the CTA bus 20 usually crowded?

    You can find real-time information on CTA bus 20 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 20 currently running?

    Find out the current status for the CTA bus 20 in the Transit app

  • What is the closest CTA bus 20 stop to me?

    Open the Transit app to see your location on a map and find the closest bus 20 stop to where you are.

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