Saint Patrick’s Day Parade and construction to cause Montreal-area road closures

A participant dressed as a shamrock greets members of the crowd during the St. PatrickÕs Day parade in Montreal, Sunday, March 17, 2024. (Graham Hughes / The Canadian Press) (Graham Hughes/The Canadian Press)

The Saint-Patrick Day’s Parade and various construction projects will cause road closures in and around Montreal this weekend.

Drivers heading into the city should note overnight closures in the Louis-Hippolyte-La Fontaine Tunnel and on the Charles-de-Gaulle Bridge.

Saint Patrick’s Day Parade

• On Sunday from 12 p.m. to 3 p.m., the 200th St. Patrick’s Day Parade will run along Maisonneuve Avenue between Fort Street and Jeanne-Mance Street in Montreal.

Drivers heading downtown should expect traffic disruptions.

St. Patrick's Day Parade route The St. Patricks' Day Parade will take place on March 16, 2025.

Louis-Hippolyte-La Fontaine Tunnel (A-25)

• From Friday at 11 p.m. to Saturday at 8 a.m. and from Saturday at 11 p.m. to Sunday at 9 a.m., the northbound Highway 25 west lanes between exit 90 (R-132) in Longueuil and the Sherbrook Street access in Montreal will be closed, including in the tunnel.
• During the same period, the southbound lanes of the highway will be closed between the Sherbrooke Street exit (5) in Montreal and Route 132 in Longueuil.

Overnight closures in the La Fontaine Tunnel Overnight closures in the La Fontaine Tunnel from March 14 to 16, 2025.

As a result, the following closures will be in effect 30 minutes before the highway is closed:

• The Route-132 east and west (exits 89-N) ramps to Highway 25 North.
• The l'Île-Charron Street access.
• Access points from Sherbrooke, Tellier and Futailles streets.
• Souligny Avenue eastbound between Dickson and Honoré-Beaugrand.

Highway 15/ La Fontaine Tunnel closures Closures on Highway 15 and in the La Fontaine tunnel from March 14 to 16, 2025.

Charles-de Gaulle Bridge (A-40)

• From Friday at 9:30 p.m. to Saturday at 8:30 a.m. and from Sunday at 10:30 p.m. to Monday at 4 a.m., Highway 40 West will be closed between exit 96-E (A-640 east) and the Gouin Boulevard access, including the Charles-De Gaulle bridge.
• As a result, the Highway 640 east and west ramps and the Saint-Charles Road/ Montée des Pionniers access points will be closed by default.
• In addition, one of three lanes on the bridge will be closed from Saturday at 8:30 a.m. to Sunday at 10:30 p.m.

Charles-de Gaulle Bridge closures Overnight closures on Highway 40, including the Charles-de Gaulle Bridge from March 14 to 17, 2025.

Bonaventure Highway (A-10)

• From Friday at 10 p.m. to Monday at 5 a.m., two of three lanes on the Bonaventure Highway (A-10) East will close between Wellington Street and the Victoria Bridge.

Pie-IX Boulevard

• From Friday at 11 p.m. to Sunday at 10 p.m., Pie-IX Boulevard northbound will be closed between Notre-Dame and Hochelaga streets.

Robert-Bourassa Boulevard

• From Saturday at 7 a.m. to Sunday at 7 p.m., Robert-Bourassa Boulevard southbound will be closed between Belmont and Gauchetière streets.

Papineau Avenue

• From 7 a.m. to 7 p.m. on Saturday, one lane will be open in each direction on Papineau Avenue between Logan Street and René-Lévesque Boulevard.

REM light rail line

• The REM will not run every Saturday and Sunday in March.

All closures may be cancelled or modified for weather or operational constraints. Check Quebec511.info for more information on up-to-date road closures.