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MontréalSTM

STM 166 bus

Queen-Mary

80 % on time

STM 166 bus Stop List and Next Departures

The STM 166 - Queen-Mary bus serves 31 bus stops in the Montréal area departing from Vézina / Macdonald and ending at Saint-Mathieu / Sherbrooke. Scroll down to see upcoming 166 bus times at each stop and the next scheduled 166 bus times will be displayed. The full 166 bus schedule as well as real-time departures can be found in the Transit app.

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Stops
Mon, May 11, 2026
STM Queen-Mary map

STM 166 bus route map

The STM 166 - Queen-Mary bus route map is shown above. The route map shows you an overview of all the stops served by the STM 166 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 166 bus is approaching your stop.

See the detailed route map

STM 166 bus Service Alerts

Open the Transit app to see more information about any active disruptions that may impact the 166 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 alerts

STM 166 bus Service Frequency

The next 166 bus leaves Vézina / Macdonald at 1:31 PM, and arrives at Saint-Mathieu / Sherbrooke at 2:02 PM. You can see the frequency of upcoming trips and the exact departure times by opening the Transit app.

See all departures

STM 166 bus On-Time Performance

80 % on time

80% of riders report that the STM 166 bus arrived on time on their previous trip. In the past 30 days, 46 riders reported on the on-time performance of the 166 bus. Compared to other STM lines, the 166 bus is ranked 32 out of 228 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 166 by opening the Transit app.

See all on-time performance details

STM 166 bus FAQ

  • What time does the next STM 166 bus depart from Vézina / Macdonald?

    The next 166 bus leaves Vézina / Macdonald at 1:31 PM, and arrives at Saint-Mathieu / Sherbrooke at 2:02 PM. The total trip time for the next STM 166 bus is 31 min.

  • Is the STM 166 bus running on time, early or late?

    You can track your bus on a map, monitor real-time updates, and see adjustments to the STM 166 schedule by downloading the Transit app.

  • When does the next STM 166 bus arrive?

    You can see the next STM 166 bus times in the app as well as future departure times for the 166 bus.

  • How many bus stops are there for the STM 166 bus?

    There are 31 stops on the STM 166 bus.

  • Is the STM 166 bus usually crowded?

    You can find real-time information on STM 166 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 STM 166 bus currently running?

    Find out the current status for the STM 166 bus in the Transit app.

  • What is the closest STM 166 bus stop to me?

    Open the Transit app to see your location on a map and find the closest 166 bus stop to where you are.

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