Exo Sud-Ouest sector

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.

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)[1]

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

Services

Local bus routes

Local routes[3]
No.	Route	Connects to	Service times / notes
20	Beauharnois
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
140	Mercier - Châteauguay - Mercier

Express / regional bus routes

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

See also

• Exo (public transit) bus services