Canada Transit Atlas

C

exo Sud Ouest

Châteauguay and 5 more, QC · 129,920 residents

2.06 of 4 points. Ranked 53rd of 119 agencies, and 26th of 37 with 100,000 to 500,000 residents.

F Frequent service nearby

0% of residents

0% of residents live within 500 m of a stop where a bus or train comes every 15 minutes or better, 7:00 a.m. to 7:00 p.m. on weekdays.

C Service per resident

0.9 h hours a year

0.9 hours of scheduled service a year for each resident.

A Service day

21.9 h first to last departure

Weekday service runs 4:17 a.m. – 2:13 a.m.

D Weekend service

49% of a weekday

A weekend day has 49% as much service as a weekday.

Which way it runs Not graded

0.28 orientation order

From 0, routes running every way evenly, to 1, a perfect grid. Mostly northeast to southwest.

See it among Montréal's 15 agencies

A typical week

WeekdaySaturdaySunday
Day measuredThu, Nov 12, 2026Sat, Nov 14, 2026Sun, Nov 15, 2026
Service runs4:17 a.m. – 2:13 a.m.5:13 a.m. – 2:31 a.m.5:26 a.m. – 2:27 a.m.
Trips677440429
Routes261515
Hours in service379188182
Residents near any service56%55%55%
Residents near frequent service0%0%0%

Where it's graded

The municipalities exo Sud Ouest mainly serves. Its stops reach 112,338 residents within 500 m, and 65% of them live here.

  • Châteauguay 50,815
  • Salaberry-de-Valleyfield 42,787
  • Mercier 14,626
  • Beauharnois 13,638
  • Sainte-Martine 5,664
  • Léry 2,390

Built November 5, 2026 from exo Sud Ouest's published schedule (Nov 9, 2026 to Jan 3, 2027) and the 2021 census. How the grades work.