Exo Sud-Ouest sector

Exo Sud-Ouest sector
Parent	Exo
Founded	2017
Service area	Châteauguay, Léry, Beauharnois, Kahnawake, Mercier
Service type	bus service, paratransit, on-demand taxibus
Routes	18
Destinations	Montreal
Hubs	Terminus Châteauguay
Annual ridership	1,717,101 (2024)

The Exo Sud-Ouest sector is the division of Exo that delivers bus service to municipalities such as Châteauguay, Kahnawake and Beauharnois on the south shore of the St. Lawrence River in Quebec, Canada.

Quick Facts Parent, Founded ...

In October 2024, the Haut-Saint-Laurent sector was merged into the Sud-Ouest sector.^[2]

Local routes^[3]
No.	Route	Connects to	Service times / notes
20	Beauharnois		Daily
22	Châteauguay	Terminus Châteauguay	Weekdays, peak only
24	Châteauguay	Terminus Châteauguay	Weekdays, peak only
27	Châteauguay	Terminus Châteauguay	Weekdays, peak only
29	Châteauguay	Terminus Châteauguay	Weekdays, peak only
33	Châteauguay	Terminus Châteauguay	Daily
140	Mercier - Châteauguay - Mercier		Daily

Express / regional routes^[4]
No.	Route	Connects to	Service times / notes
1	Valleyfield - Beauharnois - Châteauguay - Montreal	Terminus Châteauguay Terminus Lafleur / Newman Angrignon	Daily
21	Châteauguay - Montreal	Terminus Châteauguay Terminus Lafleur / Newman Angrignon	Weekdays, peak only
23	Châteauguay - Montreal	Terminus Lafleur / Newman Angrignon	Weekdays, peak only
25	Châteauguay - Montreal	Terminus Lafleur / Newman Angrignon	Weekdays, peak only
26	Châteauguay - Montreal	Terminus Châteauguay Terminus Lafleur / Newman Angrignon	Peak AM service only
28	Châteauguay - Montreal (Centre-ville)	Terminus Centre-ville Bonaventure Central Station	Weekdays, peak only
31	Châteauguay - Montreal	Terminus Châteauguay Terminus Lafleur / Newman Angrignon	Daily
32	Châteauguay - Montreal	Terminus Châteauguay Terminus Lafleur / Newman Angrignon	Daily
90	Cégep André-Laurendeau	Terminus Châteauguay	Only two departures per direction, weekdays peak only
98	Kahnawake - Montreal	Terminus Lafleur / Newman Angrignon	Weekdays only
111	Haut-Saint-Laurent	Terminus Centre-ville Bonaventure Angrignon Terminus Lafleur / Newman Terminus Châteauguay	Only weekdays peak service goes to Downtown Montreal

Services