What you need to know about the STM strike, and how it will affect
your commute
Isaac Olson
| CBC News | Posted: June 6, 2025 8:00 AM | Last Updated: June
6
STM maintenance staff have a mandate to go on strike starting
June 9
Image | montreal metro
Caption: Montreal's Metro service will be halted or reduced
during striking hours if the strike mandate is carried out.
(Ivanoh Demers/Radio-Canada)
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Starting Monday, people who use Montreal's Metro and bus
network could face a major scale back in service.
Maintenance staff with the Société de transport de Montréal
(STM) have a mandate to go on strike from June 9 at 12 a.m. to
June 17 at 11:59 p.m.
If the strike moves forward, bus and Metro services will be
halted or halved outside of rush hours and late-evening hours —
with the exception of Grand Prix weekend. Adapted transport
service will be maintained at all times.
But the looming labour stoppage has left many with plenty of
questions, especially about the service disruptions.
Here's a breakdown of what to expect.
What will the schedule be?
On June 9, 10 and 11, service will only be available from 6:30
a.m. to 9:38 a.m., from 2:45 p.m. to 5:48 p.m. and from 11 p.m.
to 1 a.m.
Note that this means the last bus or Metro will start and end
their service at those times, according to the STM. That means
passengers hoping to catch a bus or Metro at 9:38, for
instance, will likely have missed their chance as it will be
scheduled to arrive at the terminus.
On June 12, service will run from 6:30 a.m. to 10:38 a.m., from
2:45 p.m. to 6:48 p.m. and from 11 p.m. to 1 a.m. Service will
be reduced to 50 per cent outside of those hours, meaning that
trains will make every other run.
On June 13, 14 and 15, service will resume as usual for Grand
Prix weekend due to the increase in traffic. Both the STM and
the union said preserving the regular service on those days was
necessary for public safety reasons.
* Expect longer commutes, crowded buses and Metros if strike
happens, STM says
But on June 16 and 17, service will run from 6:30 a.m. to 9:38
a.m., from 2:45 p.m. to 5:48 p.m. and from 11 p.m. to 1 a.m.
Service will be reduced to 50 per cent outside of those hours.
The STM has published an explanation here with details about
scheduling and answers to frequently asked questions.
What can you do?
The STM advises commuters to plan ahead, leave early and
consider active transportation (walking or biking) or working
remotely.
The STM's app and social media will provide live updates.
No refunds are available for already validated monthly or
weekly passes, the public transit agency said. Other passes can
be used at another time or refunded in accordance with Montreal
region transit authority's exchange and refund policy, the STM
says.
Metro stations will be closed outside of scheduled service
periods, so riders cannot expect to wait indoors.
Why is there a strike?
The maintenance workers are with the Syndicat du transport de
Montréal, a union that is under the massive umbrella of the
Confédération des syndicats nationaux (CSN) labour federation.
Its members are asking for better working conditions and for
the transit authority to scale back on outsourcing.
Their collective agreement expired in January and negotiations
began more than a year ago.
The STM is also negotiating with three other unions, including
one that represents bus and Metro car drivers who just voted 99
per cent in favour of a strike mandate. That union has not yet
decided on strike dates.
Why is it scheduled this way?
The strike is planned this way to reduce impact on public
safety and major events, according to Quebec's Tribunal
administratif du travail, which authorized the strike.
How does it affect students?
School shuttle services will continue, even during off-peak
hours on June 9, 10, and 11.
Schools have sent out notices advising families to plan
accordingly.
The English Montreal School Board, for instance, said that
final exams "will proceed as scheduled, and it is essential
that students arrive on time."
"If possible, we encourage families to make alternate
transportation arrangements in advance to ensure their child
can attend exams without added stress or delay," the release
said.
WATCH |The STM strike, explained for commuters:
Media Video | How an STM workers’ strike could affect
Montrealers' commutes
Caption: A looming strike of transit maintenance workers could
pose challenges for Metro and bus commuters in Montreal. About
2,400 workers can walk off the job from June 9 at 12 a.m. to
June 17 at 11:59 p.m.
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