South Wales Transport 121 bus Stop List and Next Departures
The South Wales Transport 121 - bus serves 30 bus stops in the Cardiff area departing from Ystradgynlais Bus Station Stand 2 and ending at Ystradgynlais Bus Station Stand 2. Scroll down to see upcoming 121 bus times at each stop and the next scheduled 121 bus times will be displayed. The full 121 bus schedule as well as real-time departures (if available) can be found in the Transit app.
South Wales Transport 121 bus route map
The South Wales Transport 121 - bus route map is shown above. The route map shows you an overview of all the stops served by the South Wales Transport 121 bus to help you plan your trip on South Wales Transport. 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 121 bus is approaching your stop.
See the detailed route mapSouth Wales Transport 121 bus Service Alerts
Open the Transit app to see more information about any active disruptions that may impact the 121 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 South Wales Transport so that you can plan your trip around any active or future disruptions.
See all alertsSouth Wales Transport 121 bus Service Frequency
The next 121 bus leaves Ystradgynlais Bus Station Stand 2 at 9:10 AM, and arrives at Ystradgynlais Bus Station Stand 2 at 9:53 AM. You can see the frequency of upcoming trips and the exact departure times by opening the Transit app.
See all departuresSouth Wales Transport 121 bus On-Time Performance
Want to know whether the South Wales Transport 121 bus arrives on time? Open the Transit app and view user generated on-time performance reports for the 121 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 South Wales Transport metrics.
See all on-time perfomance details