Dublin 421 bus stop list and next bus times
The Dublin 421 bus serves {count_of_stops} bus stops in Dublin departing from {first_stop} and ending at {last_stop}. Scroll down to see upcoming bus 421 times at each stop. You can also see connecting lines for the bus 421 route at each stop, so you can understand where and when to transfer. The full Bus Éireann 421 schedule with real-time tracker data is available in the Transit app.
Dublin 421 bus route map
The Dublin 421 bus route map is shown above. The route map shows you an overview of all the stops served by the Dublin 421 bus to help you plan your trip on Bus Éireann. 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 Bus Éireann tracker in the app to see the location of vehicles in real-time on the route map so you know when the 421 bus is approaching your stop.
See the detailed route mapDublin 421 bus Service Alerts
Open the Transit app to see more information about any active disruptions that may impact the bus 421 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 Bus Éireann so that you can plan your trip around any active or future disruptions.
See all alertsBus Éireann 421 bus Service Frequency
The next 421 bus leaves {first_stop} at {first_stop_first_time}, and arrives at {last_stop} at {last_stop_first_time}. You can see the frequency of upcoming trips and the exact departure times by opening the Transit app.
See all departuresBus Éireann 421 bus On-Time Performance
Want to know whether the Bus Éireann 421 bus arrives on time? Open the Transit app and view user generated on-time performance reports for the 421 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 Bus Éireann metrics.
See all on-time perfomance details