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BristolPlymouth Citybus

Plymouth Citybus 21 bus

Rennie Avenue - St Mary's Bridge

Plymouth Citybus 21 bus Stop List and Next Departures

The Plymouth Citybus 21 - Rennie Avenue - St Mary's Bridge bus serves 71 bus stops in the Bristol area departing from St Mary's Bridge and ending at Rennie Avenue. Scroll down to see upcoming 21 bus times at each stop and the next scheduled 21 bus times will be displayed. The full 21 bus schedule as well as real-time departures can be found in the Transit app.

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Stops
Tue, May 5, 2026
Plymouth Citybus Rennie Avenue - St Mary's Bridge map

Plymouth Citybus 21 bus route map

The Plymouth Citybus 21 - Rennie Avenue - St Mary's Bridge bus route map is shown above. The route map shows you an overview of all the stops served by the Plymouth Citybus 21 bus to help you plan your trip on Plymouth Citybus. 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 21 bus is approaching your stop.

See the detailed route map

Plymouth Citybus 21 bus Service Alerts

Open the Transit app to see more information about any active disruptions that may impact the 21 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 Plymouth Citybus so that you can plan your trip around any active or future disruptions.

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Plymouth Citybus 21 bus Service Frequency

The next 21 bus leaves St Mary's Bridge at 6:30 AM, and arrives at Rennie Avenue at 8:00 AM. You can see the frequency of upcoming trips and the exact departure times by opening the Transit app.

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Plymouth Citybus 21 bus On-Time Performance

Want to know whether the Plymouth Citybus 21 bus arrives on time? Open the Transit app and view user generated on-time performance reports for the 21 bus. You can also contribute your own reports on whether your trip arrived on time, late or early. As these on-time performance stats are user reported, they may differ from official Plymouth Citybus metrics.

See all on-time performance details

Plymouth Citybus 21 bus FAQ

  • What time does the next Plymouth Citybus 21 bus depart from St Mary's Bridge?

    The next 21 bus leaves St Mary's Bridge at 6:30 AM, and arrives at Rennie Avenue at 8:00 AM. The total trip time for the next Plymouth Citybus 21 bus is 90 min.

  • Is the Plymouth Citybus 21 bus running on time, early or late?

    You can track your bus on a map, monitor real-time updates, and see adjustments to the Plymouth Citybus 21 schedule by downloading the Transit app.

  • When does the next Plymouth Citybus 21 bus arrive?

    You can see the next Plymouth Citybus 21 bus times in the app as well as future departure times for the 21 bus.

  • How many bus stops are there for the Plymouth Citybus 21 bus?

    There are 71 stops on the Plymouth Citybus 21 bus.

  • Is the Plymouth Citybus 21 bus usually crowded?

    You can find real-time information on Plymouth Citybus 21 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 Plymouth Citybus 21 bus currently running?

    Find out the current status for the Plymouth Citybus 21 bus in the Transit app.

  • What is the closest Plymouth Citybus 21 bus stop to me?

    Open the Transit app to see your location on a map and find the closest 21 bus stop to where you are.

Other Plymouth Citybus bus schedules, routes and maps

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