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Scroll down to view upcoming departure times for Réseau de transport de Longueuil 421 bus route at each stop. Real-time updates and step-by-step directions are also available in the Momego app.
5100 Armand-Frappier
5250 Armand-Frappier
Armand-Frappier / J.-A.-Bombardier
J.-A.-Bombardier / Grande Allée
Grande Allée / Moïse-Vincent
21
Grande Allée / Belmont
21
Grande Allée / Westley
21
4
Grande Allée / Albert-Millichamp
21
4
Grande Allée / Ramsay
21
Grande Allée / Jonergin
21
Grande Allée / Canon
21
Grande Allée / Boisvert
21
Grande Allée / Gaétan-Boucher
21
Grande Allée / Orchard
21
Grande Allée / Redmond
21
Grande Allée / De La Légion
21
Grande Allée / Forester
21
Grande Allée / Perlini
21
Grande Allée / Bellevue
21
Auguste / Alphonse
Auguste / Adam
4
1100 Auguste
Taschereau / Auguste
4
54
77
Taschereau / Régent
4
54
77
Taschereau / Charles
4
54
77
Taschereau / Georges
4
54
77
Taschereau / Churchill
4
54
77
Taschereau / Mary
4
54
77
2975 Taschereau
21
3
4
77
Taschereau / Mance
21
3
4
77
Taschereau / Curé-Poirier O.
128
19
199
21
3
4
428
442
77
9
98
99
Taschereau / Passerelle
19
199
21
3
4
77
9
98
99
Taschereau / Du Coteau-Rouge
19
21
3
4
9
Taschereau / Desaulniers
128
19
21
3
4
428
9
165 La Fayette
123
16
19
199
21
23
29
3
4
71
74
9
98
99
Terminus Longueuil
1
10
120
123
125
128
13
14
15
16
161
17
180
185
19
199
20
21
23
25
28
29
3
4
410
417
428
442
54
6
71
724
725
73
74
75
76
78
8
80
81
82
83
84
85
88
9
98
99
Terminus Longueuil
1
10
120
123
125
128
13
14
15
16
161
17
180
185
19
199
20
21
23
25
28
29
3
4
410
417
428
442
54
6
71
724
725
73
74
75
76
78
8
80
81
82
83
84
85
88
9
98
99
La Fayette / St-Charles O.
123
16
19
199
21
23
29
3
4
71
74
9
98
99
La Fayette / De La Providence
16
19
199
21
29
3
4
71
9
98
99
Taschereau / De Wagram
19
21
3
4
9
Taschereau / Patenaude
19
21
3
4
9
Taschereau / Desaulniers
128
19
21
3
4
428
9
Taschereau / St-Paul
19
21
3
4
9
Taschereau / Laforest
19
21
3
4
9
Taschereau / Passerelle
19
199
21
3
4
9
98
99
Taschereau / Estelle-Mouton
128
19
199
21
3
4
428
442
9
98
99
Taschereau / De L'église
19
21
3
4
77
9
Taschereau / King-Edward
21
3
4
54
77
Taschereau / St-Charles
4
54
77
Taschereau / Hôpital Charles-Le Moyne
4
54
77
Taschereau / Mary
4
54
77
Taschereau / Churchill
4
54
77
Taschereau / Gladstone
4
54
77
Taschereau / Margaret
4
54
77
Taschereau / Regent
4
54
77
1100 Auguste
Auguste / Angers
4
Auguste / Alphonse
4
Auguste / Arthur
21
Grande Allée / Albanie
21
Grande Allée / Alain
21
Grande Allée / Anthony
21
Grande Allée / Aline
21
Grande Allée / Redmond
21
Grande Allée / Orchard
21
Grande Allée / Milan
21
Grande Allée / Boisvert
21
Grande Allée / Canon
21
Grande Allée / Baudelaire
21
Grande Allée / Chevrier
21
Grande Allée / Albert-Millichamp
21
4
Grande Allée / Westley
21
Grande Allée / Du Chardonneret
21
Grande Allée / Du Quartier
21
J.-A.-Bombardier / Grande Allée
J.-A.-Bombardier / Armand-Frappier
5275 J.-A.-Bombardier
5130 J.-A.-Bombardier
J.-A.-Bombardier / Payer
Payer / Armand-Frappier
5100 Armand-Frappier
Upcoming trips on the Réseau de transport de Longueuil 421 bus route run approximately every 15-30 minutes, and you can view exact departure times and see how often the bus runs throughout the day by opening the Momego app and browsing the full schedule.
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Open the Momego app to see detailed information about any active service disruptions affecting the 421 bus route, such as detours, stop changes, trip cancellations, or major delays. You can also subscribe to service alerts from Réseau de transport de Longueuil in the app, so you’ll be notified of any current or upcoming disruptions and can plan your journey with confidence.
There are 36 bus stops on the Réseau de transport de Longueuil 421 route.
In select cities, the Momego app shows real-time crowding levels for routes like the Réseau de transport de Longueuil 421 bus route. You can even see predictions of how busy the bus is likely to be when it reaches your stop.
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