Major Montreal road closures & detours could mess with your weekend plans

Is it too early for a Bixi?

Montreal construction cones and signs.

Major road closures and detours are set to make getting in and around the city a real hassle from March 21 to 24.

Senior Writer

If you were planning a tour de ville around Montreal this weekend, you might want to reconsider.

Last weekend's St. Patrick's Day parade caused plenty of traffic headaches, but this weekend won't be a walk in the park either. According to Mobilité Montréal, major road closures and detours are set to make getting in and around the city a real hassle from March 21 to 24.

Here are some areas that could delay drivers.

Downtown Montreal

If you were hoping to explore ongoing sales at The Bay, it might be best to take the metro. Three out of four lanes on Boulevard Robert-Bourassa between Rue De La Gauchetière and Boulevard René-Lévesque heading north will be partially closed on Saturday and Sunday from 7 a.m. to 5 p.m.

Louis-H. Lafontaine Tunnel / Highway 25

Southbound: The tunnel will be completely closed between Exit 5 (Rue Sherbrooke) and the South Shore from Friday night to Saturday morning (11 p.m. to 8 a.m.). Then, from Saturday night to Sunday morning (11 p.m. to 9 a.m.), it'll be shut down from Exit 4 (Avenue Souligny, downtown).

Detours will take you along De Boucherville, Hochelaga, Dickson South, and Notre-Dame streets, or via Avenue Papineau and the Jacques Cartier Bridge. Avoid the Anjou Interchange too — the ramp from Highway 40 West to Highway 25 South will be completely closed from Friday night to Saturday morning.

Northbound: The tunnel will be closed between Exit 90 of Route 132 on Highway 20 West in Longueuil and the Rue Sherbrooke access in Montreal. To get to Montreal, you'll need to take Route 132 West towards the Jacques Cartier Bridge. But heads up, Avenue De Lorimier between Dubuc and Rouen is under construction for the next three weeks.

Highway 10 / Bonaventure & Samuel-De-Champlain Bridge

More headaches are expected around the Samuel-De-Champlain Bridge and Highway 10. From Saturday night to Sunday morning (11:30 p.m. to 9 a.m.), the westbound/ downtown-bound ramp at Exit 58 will be closed. Drivers will be rerouted via Exit 60 to Boulevard Gaétan-Laberge.

From Sunday night at 9 p.m. to Monday morning at 5 a.m., Highway 10 East towards the Samuel-De-Champlain Bridge will be closed between Exit 4 and the bridge. Anyone trying to get to Île-des-Sœurs will need to use Exit 57-N (Chemin de la Pointe-Nord).

AI tools may have been used to support the creation or distribution of this content; however, it has been carefully edited and fact-checked by a member of MTL Blog's Editorial team. For more information on our use of AI, please visit our Editorial Standards page.


  • Al Sciola
  • Born and raised in Montreal, Al Sciola is a Senior Writer for MTL Blog. With a background in covering sports and local events, he has a knack for finding stories that capture the city’s spirit. A lifelong Canadiens fan and trivia enthusiast, Al spends his downtime sipping espresso and trying out new recipes in the kitchen.

Canada's GST/HST Credits are getting a huge boost & there's a new grocery benefit too

The first payments could hit your wallet in a few months.

11 varieties of this popular frozen pizza snack are being recalled over E. coli contamination

The CFIA has classified this as a Class 1 recall — the most serious level.