Multiple road closures for Montreal this Mother’s Day weekend
Posted May 9, 2025 11:23 am.
Mobilité Montréal informs road users that “major disruptions” are expected this weekend, recommending that people plan their trips.
VILLE-MARIE TUNNEL / ROUTE 136
From Friday 11:59 p.m. to Monday 5:00 a.m.
In Montreal, a complete closure of R-136 West in the tunnel is set between Exit 5 (Robert-Bourassa Boulevard, Samuel-De Champlain Bridge) and the access to Rue du Fort. Significant risk of congestion is expected explained Mobilité Montréal in a news release.
Detour: at Exit 5, via Saint-Jacques Street to Robert-Bourassa Boulevard, A-10 East (Bonaventure), and Exit 4 to A-15 North / Turcot Interchange.
Default: Lucien-L’Allier Street access.
Detour: via Saint-Antoine Street West and Guy Street North and René-Lévesque Boulevard West. Trucks: via Guy Street South, Saint-Jacques Street, de la Montagne Street and René-Lévesque Boulevard West.
HIGHWAY 25 / LOUIS-HIPPOLYTE-LA FONTAINE TUNNEL
NORTHBOUND
From Saturday 11 p.m. to Sunday 9 a.m.
Starting on Saturday at a 11 p.m. there will be a complete tunnel closure between Exit 90 (R-132) on the A-20 West in Longueuil and the Hochelaga Street access in Montreal — until 9 a.m. on Sunday.
Detour: via R-132 West, Exit 82 / Jacques-Cartier Bridge, downtown exit to De Lorimier Avenue South and Notre-Dame Street. Trucks, via Pie-IX Boulevard and Sherbrooke Street.
Default: 30 minutes before
R-132 East and West access ramps (Exits 89-N).
Eastbound detour: U-turn at Exit 137 (De Montarville Boulevard). Access from Île-Charron Street.
Detour: via A-25 South and R-132 West.
Access to Île Charron will be channeled from the Marie-Victorin Boulevard access points to A-25 North.
SOUTHBOUND
From Saturday 11:00 PM to Sunday 9:00 AM
Complete tunnel closure between Exit 5 (Sherbrooke Street) in Montreal and the R-132 in Longueuil.
Detour: via Dickson Street South and Notre-Dame Street and Papineau Avenue / Jacques-Cartier Bridge. For trucks (over 4.25 m), via Dickson Street North and Hochelaga Street, de l’Assomption Boulevard, Sherbrooke Street, and Pie-IX Boulevard South.
Default: 30 minutes before, access points from Sherbrooke, Tellier, and des Futailles Streets.
Souligny Avenue: Eastbound closure of the avenue between Dickson and Honoré-Beaugrand streets. Detour: via Hochelaga Street.
LAVIOLETTE BRIDGE / HIGHWAY 55
From Friday 8 p.m. to Monday 6:30 a.m.
On the Laviolette Bridge, between Trois-Rivières and Bécancour, two of four lanes will be closed – one lane in each direction.
Lane width: 3.2 m.
Default:
In Trois-Rivières, the Arthur-Rousseau Boulevard access point.
In Bécancour, on A-55 South, Exit 176 (A-30, R-132, Sainte-Angèle, Bécancour) and the A-30 East and West / Godefroy Avenue access points to A-55 North.
TO EXPECT
R-117 / Marcel-Laurin Boulevard
In Montreal (Saint-Laurent / Cartierville borough), on the southbound R-117 (Marcel-Laurin Blvd.), partial closure of 1 of 3 lanes under the CN railway overpass (at the turnbuckle), from 2 p.m. Friday to 5 a.m. Monday.
“Complete closure of the southbound turnbuckle, at the CN railway overpass, from 5 p.m. Friday to 5 a.m. Monday. Detour: via Saint-Louis Street and Décarie Blvd.,” Mobilité Montréal added.
PAPINEAU AVENUE IN MONTREAL
In Montreal (Ville-Marie borough), partial closure of one of two lanes on southbound Papineau Avenue, between Sainte-Catherine Street and René-Lévesque Boulevard, from Monday, May 12 to Friday, May 23.
Long-term work under the responsibility of the City of Montreal / CSEM.
HIGHWAY 30 – MADELEINE-PARENT BRIDGE
In Beauharnois, on Highway 30 in the Madeleine-Parent Bridge area, partial closures are planned between 8 p.m. Friday and 6 a.m. Monday. At least one lane in each direction will remain open at all times.
Highway 530 in Salaberry-de-Valleyfield
In Salaberry-de-Valleyfield, on Highway 530 East, Exit 5 (R-201 North, R-132 East, Mgr Langlois Blvd., Coteau-du-Lac) is closed from 8 p.m. Friday to 1 a.m. Saturday and from 6 a.m. Sunday to 6 a.m. Monday.
Detour: Turn around at the next exit.
Alao in Salaberry-de-Valleyfield, on Highway 530 East, access from R-201 South (Mgr Langlois Blvd.) is closed from 1 a.m. Saturday to 6 a.m. Sunday.
Detour: via the ramp for Highway 530 West (toward Huntingdon), des Érables Blvd. and Gérard-Cadieux Blvd. Optional: upstream, via Hébert Blvd. and Pie-XII Blvd.
On A-530 East, complete closure between des Érables Blvd. and Exit 5 (R-201 North, R-132 East, Mgr Langlois Blvd., Coteau-du-Lac), from Sunday 8 p.m. to Monday 6 a.m.
Detour: via des Érables Blvd. and Sainte-Marie Blvd. / North Service Road, Victoria Street westbound, roundabout for Hébert Street and R-201 South. Trucks: via Gérard-Cadieux Blvd. and Pie-XII Blvd.
Optional: via A-530 West, Gérard-Cadieux Blvd., Pierre-Paul-Messier and Jacques-Cartier Streets, Sainte-Marie Blvd. / North Service Road and main detour.
Default: Exit 5 (R-201 North, R-132 East, Mgr Langlois Blvd., Coteau-du-Lac).
Detour: Follow the main detour upstream, then take the R-201 South ramp to A-530 East, and turn around at the next exit.
METROPOLITAN EXPRESS NETWORK – REM
Every Saturday and Sunday in May, the new phase of operation causes a complete REM network closure.
Mobilité Montréal says to plan your trips and check out the available shuttles and frequencies.
BONAVENTURE HIGHWAY
A remined that Peel Basin / Victoria Bridge, closure of one of three lanes in each direction until December.
On Clément Bridge, contraflow traffic – one lane in each direction – until December.
Eastbound, exit 5 (Île des Sœurs) is closed until the end of May.
The Ministry encourages road users to regularly check quebec511.info before traveling or to call 511 to learn about network closures and plan your trip.
