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ChicagoCTA

CTA bus 20

Madison

74 % on time

CTA bus 20 stop list and CTA bus tracker 20

The CTA bus 20 - Madison serves 63 bus stops in Chicago departing from Columbus / Randolph 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
Tue, Apr 14, 2026
  • Columbus / RandolphWheelchair accessible6:28 AM
  • Randolph / StetsonWheelchair accessible6:28 AM
  • Michigan / WashingtonWheelchair accessible6:30 AM
  • Madison / WabashWheelchair accessible6:31 AM
  • Madison / Dearborn / StateWheelchair accessible6:32 AM
  • Madison / LaSalleWheelchair accessible6:33 AM
  • Madison / FranklinWheelchair accessible6:34 AM
  • Madison / ClintonWheelchair accessible6:36 AM
  • Madison / JeffersonWheelchair accessible6:37 AM
  • Madison / HalstedWheelchair accessible6:39 AM
  • Madison / PeoriaWheelchair accessible6:39 AM
  • Madison / MorganWheelchair accessible6:40 AM
  • Madison / AberdeenWheelchair accessible6:41 AM
  • Madison / RacineWheelchair accessible6:42 AM
  • Madison / ThroopWheelchair accessible6:43 AM
  • Madison / LoomisWheelchair accessible6:43 AM
  • Madison / LaflinWheelchair accessible6:44 AM
  • Madison / AshlandWheelchair accessible6:45 AM
  • Madison / PaulinaWheelchair accessible6:45 AM
  • Madison / WoodWheelchair accessible6:46 AM
  • Madison / United Center (1900 W)Wheelchair accessible6:46 AM
  • Madison / DamenWheelchair accessible6:46 AM
  • Madison / HoyneWheelchair accessible6:47 AM
  • Madison / LeavittWheelchair accessible6:47 AM
  • Madison / OakleyWheelchair accessible6:48 AM
  • Madison / WesternWheelchair accessible6:48 AM
  • Madison / CampbellWheelchair accessible6:49 AM
  • Madison / TalmanWheelchair accessible6:50 AM
  • Madison / WashtenawWheelchair accessible6:51 AM
  • Madison / CaliforniaWheelchair accessible6:51 AM
  • Madison / FranciscoWheelchair accessible6:52 AM
  • Madison / SacramentoWheelchair accessible6:52 AM
  • Madison / AlbanyWheelchair accessible6:53 AM
  • Madison / KedzieWheelchair accessible6:54 AM
  • Madison / SpauldingWheelchair accessible6:54 AM
  • Madison / HomanWheelchair accessible6:55 AM
  • Madison / St. LouisWheelchair accessible6:56 AM
  • Madison / Central ParkWheelchair accessible6:57 AM
  • Madison / HamlinWheelchair accessible6:58 AM
  • Madison / SpringfieldWheelchair accessible6:59 AM
  • Madison / PulaskiWheelchair accessible7:00 AM
  • Madison / KarlovWheelchair accessible7:01 AM
  • Madison / KeelerWheelchair accessible7:02 AM
  • Madison / KildareWheelchair accessible7:03 AM
  • Madison / KostnerWheelchair accessible7:04 AM
  • Madison / KilbournWheelchair accessible7:04 AM
  • Madison / KentonWheelchair accessible7:05 AM
  • Madison / KilpatrickWheelchair accessible7:06 AM
  • Madison / CiceroWheelchair accessible7:06 AM
  • Madison / LamonWheelchair accessible7:07 AM
  • Madison / LavergneWheelchair accessible7:08 AM
  • Madison / LeclaireWheelchair accessible7:09 AM
  • Madison / LaramieWheelchair accessible7:09 AM
  • Madison / LockwoodWheelchair accessible7:10 AM
  • Madison / LongWheelchair accessible7:11 AM
  • Madison / LotusWheelchair accessible7:12 AM
  • Madison / CentralWheelchair accessible7:13 AM
  • Madison / ParksideWheelchair accessible7:13 AM
  • Madison / WallerWheelchair accessible7:14 AM
  • Madison / MenardWheelchair accessible7:14 AM
  • Madison / MayfieldWheelchair accessible7:15 AM
  • Madison / AustinWheelchair accessible7:16 AM
  • Madison / Austin TerminalWheelchair accessible7:17 AM
  • 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 Columbus / Randolph at 6:28 AM, and arrives at Madison / Austin Terminal at 7:17 AM. 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

    74 % on time

    74% of riders report that the CTA 20 bus arrived on time on their previous trip. In the past 30 days, 118 riders reported on the on-time performance of the 20 bus. Compared to other CTA lines, the 20 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 20 by opening the Transit app.

    See all on-time performance details

    CTA bus 20 FAQ

    Other CTA bus schedules, routes and maps

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