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The CTA bus 121 - Union / Streeterville Express serves {count_of_stops} bus stops in Chicago departing from {first_stop} and ending at {last_stop}. Scroll down to see upcoming bus 121 times at each stop. You can also see connecting lines for the bus 121 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 121 shows the next scheduled departure from the CTA. The full CTA 121 schedule with real-time tracker data is available in the app.
The CTA bus 121 - Union / Streeterville Express route map is shown above. The route map shows you an overview of all the stops served by the CTA bus 121 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 121 bus is approaching your stop.
See the detailed route mapOpen the app to see more information about any active disruptions that may impact the bus 121 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 alertsThe next bus 121 leaves {first_stop} at {first_stop_first_time}, and arrives at {last_stop} at {last_stop_first_time}. The total trip time for the next CTA bus 121 is {number_of_minutes} minutes.
You can track your bus on a map, monitor real-time updates, and see adjustments to the CTA 121 schedule by downloading the app.
You can see the next CTA bus 121 times in the app as well as future departure times for the bus 121.
There are {count_of_stops} stops on the CTA bus 121.
You can find real-time information on CTA bus 121 crowding levels in the 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.
Find out the current status for the CTA bus 121 in the app
Open the app to see your location on a map and find the closest bus 121 stop to where you are.