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Bus - 421

421 Line

Grande-Allée / A.-Frappier

RTL

RTL 421 Bus Route Schedule and Stops (Updated)

The 421 bus (Terminus Longueuil) has 39 stops departing from 5100 Armand-Frappier and ending at Terminus Longueuil.

Choose any of the 421 bus stops below to find updated real-time schedules and to see their route map.

Direction: Terminus Longueuil (39 stops)

  • 5100 Armand-Frappier

  • 5250 Armand-Frappier

  • Armand-Frappier / J.-A.-Bombardier

  • J.-A.-Bombardier / Grande Allée

  • Grande Allée / Moïse-Vincent

  • Grande Allée / Belmont

  • Grande Allée / Westley

  • Grande Allée / Albert-Millichamp

  • Grande Allée / Ramsay

  • Grande Allée / Jonergin

  • Grande Allée / Canon

  • Grande Allée / Boisvert

  • Grande Allée / Gaétan-Boucher

  • Grande Allée / Orchard

  • Grande Allée / Redmond

  • Grande Allée / De La Légion

  • Grande Allée / Forester

  • Grande Allée / Perlini

  • Grande Allée / Bellevue

  • Auguste / Alphonse

  • Auguste / Adam

  • 1100 Auguste

  • Taschereau / Auguste

  • Taschereau / Régent

  • Taschereau / Charles

  • Taschereau / Georges

  • Taschereau / Churchill

  • Taschereau / Mary

  • 2975 Taschereau

  • Taschereau / Mance

  • Boul. Taschereau Et Boul. Curé-Poirier Ouest()

  • Boul. Taschereau Et Passerelle()

  • Taschereau / Ch. Du Coteau-Rouge

  • Taschereau / Desaulniers

  • 799 Taschereau

  • Taschereau / La Fayette

  • La Fayette / De La Providence

  • Boul. La Fayette Et Civique 165

  • Terminus Longueuil

421 FAQ

  • What time does the 421 bus start operating?

    Services on the 421 bus start at 05:49 on Monday, Tuesday, Wednesday, Thursday, Friday.

  • What time does the 421 bus stop working?

    Services on the 421 bus stop at 23:25 on Monday, Tuesday, Wednesday, Thursday, Friday.

  • What time does the 421 bus arrive?

    When does the Grande-Allée / A.-Frappier bus line come? Check Live Arrival Times for live arrival times and to see the full schedule for the Grande-Allée / A.-Frappier bus line that is closest to your location.

  • Is there a 421 bus stop near me?

    Click here to view the nearest 421 bus stop.

421 Bus Schedule

421 bus route operates on Monday to Friday. Regular schedule hours: 05:49 - 23:25

DayOperating HoursFrequency (min)
SunNot OperationalNot Operational
Mon05:49 - 23:2517 - 276
Tue05:49 - 23:2517 - 276
Wed05:49 - 23:2517 - 276
Thu05:49 - 23:2517 - 276
Fri05:49 - 23:2517 - 276
SatNot OperationalNot Operational

RTL Bus Service Alerts

See all updates on 421 (from 5100 Armand-Frappier), including real-time status info, bus delays, changes of routes, changes of stops locations, and any other service changes. Get a real-time map view of 421 (Terminus Longueuil) and track the bus as it moves on the map. Download the app for all RTL info now.

421 line bus fare

RTL 421 (Terminus Longueuil) prices may change based on several factors. For more information about RTL tickets costs please check the Moovit app or RTL’s official website.

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421 (RTL)

The first stop of the 421 bus route is 5100 Armand-Frappier and the last stop is Terminus Longueuil. 421 (Terminus Longueuil) is operational during weekdays.

Additional information: 421 has 39 stops and the total trip duration for this route is approximately 36 minutes.

On the go? See why over 1.5 million users trust Moovit as the best public transit app. Moovit gives you RTL suggested routes, real-time bus tracker, live directions, line route maps in Montreal, and helps to find the closest 421 bus stops near you. No internet available? Download an offline PDF map and bus schedule for the 421 bus to take on your trip.

Line 421 Real Time bus Tracker

Track line 421 (Terminus Longueuil) on a live map in real time and follow its location as it moves between stations. Use Moovit as a line 421 bus tracker or a live RTL bus tracker app and never miss your bus.

Use the app as a trip planner for RTL or a trip planner for bus, metro, train or shuttle to plan your route around Montreal. The trip planner shows updated data for RTL and any bus, including line 421, in Montreal

421 - Alternative Directions

Follow the LIVE location of line
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