21 Bus - Châteauguay - Montréal

A bus service operated by exo-Sud-Ouest

List of stops

Number of stops: 42

Monday to Friday

Terminus Angrignon - Quai 11 ➞ Terminus Châteauguay - Quai 5

Timing points All stops

Terminus Angrignon - Quai 11	06:39	07:18	07:59	15:52	16:15	16:42	17:07	17:32	18:00
boul. Newman / rue Senkus	06:41p	07:20p	08:01p	15:54p	16:17p	16:44p	17:09p	17:34p	18:02p
boul. Newman / rue Léger	06:42p	07:21p	08:02p	15:56p	16:19p	16:46p	17:11p	17:36p	18:04p
Newman / Lapierre	06:43p	07:22p	08:03p	15:57p	16:20p	16:47p	17:12p	17:37p	18:05p
Newman / Thierry	06:44p	07:23p	08:04p	15:58p	16:21p	16:48p	17:13p	17:38p	18:06p
Newman / Shevchenko	06:45p	07:24p	08:05p	16:00p	16:23p	16:49p	17:14p	17:39p	18:07p
Newman / Dollard	06:46p	07:25p	08:06p	16:01p	16:24p	16:50p	17:15p	17:40p	18:08p
Newman / 90e Avenue	06:46p	07:25p	08:06p	16:02p	16:25p	16:51p	17:16p	17:41p	18:09p
Newman / Labatt	06:48p	07:27p	08:08p	16:03p	16:26p	16:52p	17:17p	17:42p	18:10p
Newman / Lafleur	06:49p	07:28p	08:09p	16:05p	16:28p	16:54p	17:19p	17:44p	18:12p
Route 138 / devant le 1025	06:54	07:33	08:14	16:10	16:33	16:59	17:24	17:49	18:17
Route 138 / devant le 1500	06:58	07:37	08:18	16:14	16:37	17:03	17:28	17:53	18:21
Saint-Jean-Baptiste / Saint-Francis	07:00	07:39	08:20	16:16	16:39	17:05	17:30	17:55	18:23
Terminus Châteauguay - Quai 6	07:01	07:40	08:21	16:17 16:20	16:40 16:43	17:06 17:09	17:31 17:34	17:56 17:59	18:24 18:27
Saint-Jean-Baptiste / Dunver	—	—	—	16:21	16:44	17:10	17:35	18:00	18:28
Saint-Jean-Baptiste / D'Anjou	—	—	—	16:22	16:45	17:11	17:35	18:00	18:28
D'Anjou / Yvon	—	—	—	16:22	16:45	17:11	17:36	18:01	18:29
D'Anjou / Bell	—	—	—	16:23	16:46	17:12	17:36	18:01	18:29
D'Anjou / Saint-Joseph	—	—	—	16:24	16:47	17:13	17:37	18:02	18:30
D'Anjou / Maple	—	—	—	16:25	16:48	17:14	17:38	18:03	18:31
de la Verdure / D'Anjou	—	—	—	16:26	16:49	17:15	17:39	18:04	18:32
de la Verdure / Claude-Pitre (Clsc Châteauguay)	—	—	—	16:26	16:49	17:15	17:39	18:04	18:32
de la Verdure / Salaberry Sud	—	—	—	16:27	16:50	17:16	17:40	18:05	18:33
Salaberry Sud / Saint-Eugène	—	—	—	16:28	16:51	17:17	17:41	18:06	18:34
Salaberry Sud / Trenton	—	—	—	16:28	16:51	17:17	17:41	18:06	18:34
Dubé / Salaberry Sud	—	—	—	16:29	16:52	17:18	17:42	18:07	18:35
de Champlain / Dubé	—	—	—	16:30	16:53	17:19	17:43	18:08	18:36
de Champlain / Monette	—	—	—	16:30	16:53	17:19	17:43	18:08	18:36
de Champlain / Paul-Hallé	—	—	—	16:30	16:53	17:19	17:43	18:08	18:36
de Champlain / Damas	—	—	—	16:31	16:54	17:20	17:44	18:09	18:37
de Champlain / Saint-Joseph	—	—	—	16:32	16:55	17:21	17:45	18:10	18:38
Parkview / Saint-Joseph	—	—	—	16:33	16:56	17:22	17:46	18:11	18:39
Parkview / Place King	—	—	—	16:33	16:56	17:22	17:46	18:11	18:39
Parkview / Saint-Mary's	—	—	—	16:34	16:57	17:23	17:47	18:12	18:40
Parkview / Saint-Jean-Baptiste	—	—	—	16:35	16:58	17:24	17:48	18:13	18:41
Saint-Jean-Baptiste / Poupart	—	—	—	16:35	16:58	17:24	17:48	18:13	18:41
Saint-Jean-Baptiste / Bernard	—	—	—	16:36	16:59	17:25	17:49	18:14	18:42
Saint-Jean-Baptiste / du Parc Ouest	—	—	—	16:36	16:59	17:25	17:49	18:14	18:42
Saint-Jean-Baptiste / Sainte-Marguerite	—	—	—	16:36	16:59	17:25	17:49	18:14	18:42
Saint-Jean-Baptiste / D'Anjou	—	—	—	16:38	17:01	17:27	17:51	18:16	18:44
Marcel / Saint-Jean-Baptiste	—	—	—	16:40	17:03	17:29	17:53	18:17	18:45
Terminus Châteauguay - Quai 5	—	—	—	16:43	17:06	17:32	17:56	18:19	18:47

Times marked with "—" indicate that the vehicle does not stop at this stop.

Times marked p - "pick up only" - the vehicle will only stop to pick up passengers.

Saint-Jean-Baptiste / D'Anjou ➞ Terminus Angrignon - Quai 11

Timing points All stops

Saint-Jean-Baptiste / D'Anjou	05:25	05:55	06:25	07:00	07:30	08:05
D'Anjou / Yvon	05:25	05:55	06:25	07:00	07:30	08:05
D'Anjou / Bell	05:26	05:56	06:26	07:01	07:31	08:06
D'Anjou / Saint-Joseph	05:26	05:56	06:26	07:01	07:31	08:06
D'Anjou / Maple	05:27	05:57	06:27	07:02	07:32	08:07
de la Verdure / D'Anjou	05:28	05:58	06:28	07:03	07:33	08:08
de la Verdure / Claude-Pitre (Clsc Châteauguay)	05:28	05:58	06:28	07:03	07:33	08:08
de la Verdure / Salaberry Sud	05:29	05:59	06:29	07:04	07:34	08:09
Salaberry Sud / Saint-Eugène	05:30	06:00	06:30	07:05	07:35	08:10
Salaberry Sud / Trenton	05:30	06:00	06:30	07:05	07:35	08:10
Dubé / Salaberry Sud	05:31	06:01	06:31	07:06	07:36	08:11
de Champlain / Dubé	05:31	06:01	06:31	07:06	07:36	08:11
de Champlain / Monette	05:32	06:02	06:32	07:07	07:37	08:12
de Champlain / Paul-Hallé	05:32	06:02	06:32	07:07	07:37	08:12
de Champlain / Damas	05:33	06:03	06:33	07:08	07:38	08:13
de Champlain / Saint-Joseph	05:34	06:04	06:34	07:09	07:39	08:14
Parkview / Saint-Joseph	05:36	06:06	06:36	07:11	07:41	08:16
Parkview / Place King	05:36	06:06	06:36	07:11	07:41	08:16
Parkview / Saint-Mary's	05:37	06:07	06:37	07:12	07:42	08:17
Parkview / Saint-Jean-Baptiste	05:38	06:08	06:38	07:13	07:43	08:18
Saint-Jean-Baptiste / Poupart	05:38	06:08	06:38	07:13	07:43	08:18
Saint-Jean-Baptiste / Bernard	05:40	06:10	06:40	07:15	07:45	08:20
Saint-Jean-Baptiste / du Parc Ouest	05:40	06:10	06:40	07:15	07:45	08:20
Saint-Jean-Baptiste / Sainte-Marguerite	05:40	06:10	06:40	07:15	07:45	08:20
Saint-Jean-Baptiste / D'Anjou	05:42	06:12	06:42	07:17	07:47	08:22
Marcel / Saint-Jean-Baptiste	05:42	06:12	06:42	07:17	07:47	08:22
Terminus Châteauguay - Quai 6	05:44 05:47	06:14 06:17	06:44 06:47	07:19 07:22	07:49 07:52	08:24 08:27
Saint-Jean-Baptiste / Saint-Francis	05:47	06:17	06:47	07:22	07:52	08:27
Route 138 / face au 1500	05:48	06:18	06:49	07:24	07:54	08:29
Route 138 / devant le 1111	05:51	06:21	06:52	07:27	07:57	08:32
Route 138 / Rond-Point Bédard	05:52	06:22	06:53	07:28	07:58	08:34
Route 138 / face au 1025	05:52	06:22	06:54	07:29	07:59	08:35
Route 138 / Route 207	05:53	06:23	06:55	07:31	08:01	08:36
Labatt / Airlie	05:58s	06:28s	07:01s	07:37s	08:07s	08:43s
Labatt / Newman	05:58s	06:28s	07:01s	07:38s	08:08s	08:44s
Newman / 90e Avenue	06:00s	06:30s	07:03s	07:39s	08:09s	08:45s
Newman / Dollard	06:01s	06:31s	07:04s	07:40s	08:10s	08:46s
Newman / Shevchenko	06:02s	06:32s	07:05s	07:42s	08:12s	08:48s
Newman / Thierry	06:03s	06:33s	07:06s	07:43s	08:13s	08:49s
Newman / Lapierre	06:05s	06:35s	07:08s	07:45s	08:15s	08:51s
Newman / Léger	06:05s	06:35s	07:08s	07:46s	08:16s	08:52s
Newman / Senkus	06:07s	06:37s	07:10s	07:47s	08:17s	08:53s
Newman / Angrignon	06:08s	06:38s	07:11s	07:49s	08:19s	08:55s
Terminus Angrignon - Quai 11	06:10	06:40	07:13	07:51	08:21	08:57

Times marked with "—" indicate that the vehicle does not stop at this stop.

Times marked s - "set down only" - the vehicle will only stop to drop passengers off.

Times marked p - "pick up only" - the vehicle will only stop to pick up passengers.

Times marked with "—" indicate that the vehicle does not stop at this stop.

Times marked s - "set down only" - the vehicle will only stop to drop passengers off.

Times marked p - "pick up only" - the vehicle will only stop to pick up passengers.

Route Path (Streets & Roads)

Outbound: Terminus Angrignon - Quai 11 ➞ Terminus Châteauguay - Quai 5

Boulevard Angrignon - Boulevard Newman - Rue Bédard - Boulevard Newman - Route 132 - Chemin Jurassic Park - Boulevard Saint-Jean-Baptiste - Rue Dunver - Boulevard Saint-Jean-Baptiste - Boulevard d'Anjou - Avenue de la Verdure - Rue Claude-Pitre - Boulevard Salaberry Sud - Rue Dubé - Rue Monette - Rue de Champlain - Rue Parkview - Place King - Rue Parkview - Boulevard Saint-Jean-Baptiste - Rue Bernard - Boulevard Saint-Jean-Baptiste

Inbound: Saint-Jean-Baptiste / D'Anjou ➞ Terminus Angrignon - Quai 11

Boulevard Saint-Jean-Baptiste - Boulevard d'Anjou - Avenue de la Verdure - Rue Claude-Pitre - Boulevard Salaberry Sud - Rue Dubé - Rue Monette - Rue de Champlain - Rue Parkview - Place King - Rue Parkview - Boulevard Saint-Jean-Baptiste - Rue Bernard - Boulevard Saint-Jean-Baptiste - Boulevard Industriel - Route 132 - Route 132/138 - Blind Ladies Hill Road - Route 132 - Avenue Labatt - Boulevard Newman - Boulevard Angrignon

Schedules and stops for this route are published in GTFS: citso

Additional route information: exo.quebec

Frequently asked questions about route 21

What time does route 21 start operating?
Services on route 21 start at 06:39 from Monday to Friday.
What time does route 21 stop operating?
Services on route 21 end at 18:47 from Monday to Friday.
Is there a stop for route 21 near me?
View the nearest stop for route 21.

21 (Mercier Buses)

The first stop of the 21 bus route is Terminus Angrignon - Quai 11 and the last stop is Terminus Châteauguay - Quai 5. 21 (Châteauguay - Montréal) is operational during on weekdays.

Additional information: 21 has 42 stops. The total trip duration for this route is approximately 51 minutes.

More than 5 million users trust busmaps.com for public transport information. Find suggested Buses routes in Mercier, real-time vehicle tracking, route maps, nearby stops, and offline PDF schedules.

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32 - Châteauguay - Montréal

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Last updated on November 12, 2026

21 Bus - Châteauguay - Montréal

Terminus Angrignon - Quai 11 ➞ Terminus Châteauguay - Quai 5

Saint-Jean-Baptiste / D'Anjou ➞ Terminus Angrignon - Quai 11

Route Path (Streets & Roads)

Frequently asked questions about route 21

What time does route 21 start operating?

What time does route 21 stop operating?

Is there a stop for route 21 near me?

21 (Mercier Buses)

Similar Routes & Alternatives to 21