STM 420 bus Stop List and Next Departures
The STM 420 - Express Notre-Dame-de-Grâce bus serves 19 bus stops in the Montréal area departing from Westminster / Côte-Saint-Luc and ending at Torrance / de la Montagne. Scroll down to see upcoming 420 bus times at each stop and the next scheduled 420 bus times will be displayed. The full 420 bus schedule as well as real-time departures (if available) can be found in the Transit app.
STM 420 bus route map
The STM 420 - Express Notre-Dame-de-Grâce bus route map is shown above. The route map shows you an overview of all the stops served by the STM 420 bus to help you plan your trip on STM. 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 420 bus is approaching your stop.
See the detailed route mapSTM 420 bus Service Alerts
Open the Transit app to see more information about any active disruptions that may impact the 420 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 STM so that you can plan your trip around any active or future disruptions.
See all alertsSTM 420 bus Service Frequency
The next 420 bus leaves Westminster / Côte-Saint-Luc at 6:15 AM, and arrives at Torrance / de la Montagne at 7:01 AM. You can see the frequency of upcoming trips and the exact departure times by opening the Transit app.
See all departuresSTM 420 bus On-Time Performance
73% of riders report that the STM 420 bus arrived on time on their previous trip. In the past 30 days, 42 riders reported on the on-time performance of the 420 bus. Compared to other STM lines, the 420 bus is ranked 97 out of 212 STM lines. These on-time performance stats are user reported and may differ from official STM metrics. See more details about on time, late or early departure reports for the 420 by opening the Transit app.
See all on-time perfomance details