Montreal Weekend Traffic Alert: La Fontaine Tunnel Closure, REM Delays & More! (2026)

If you're a Montrealer, you know that weekend traffic can be a real headache, and this upcoming weekend is no exception. Let's dive into the details and explore the potential impact on your travel plans.

Navigating Montreal's Weekend Traffic Maze

La Fontaine Tunnel Closure:
The La Fontaine tunnel will be closed overnight on Friday, adding to the usual weekend congestion. This closure is a reminder of the ongoing infrastructure challenges in the city. Personally, I think it's fascinating how a single tunnel closure can disrupt the entire flow of traffic, highlighting the interconnectedness of our transportation network.

REM and Highway Updates:
The Réseau express métropolitain (REM) will continue its late starts this weekend for planned work. While this may inconvenience some commuters, it's an essential step towards improving the city's transportation system. What many people don't realize is that these temporary disruptions are necessary for long-term gains.

A Web of Closures and Detours

Highway 20 in Boucherville:
Eastbound traffic on Highway 20 will be affected by a closure at Montarville Blvd. This detour will add time to your journey, so plan accordingly. It's interesting to consider how these closures impact not just drivers but also local businesses and residents.

Highway 25 and Tunnel:
Both directions of Highway 25 and its tunnel will be closed, with southbound closures starting at Sherbrooke St. and northbound at Yves-Prévost Blvd. This closure will significantly impact travel times and routes.

Highway 40 and Sinkhole:
In St-Cuthbert, a sinkhole has caused lane narrowing on Highway 40. Westbound traffic has been diverted to the eastbound side, creating a unique and challenging situation. From my perspective, it's a testament to the resilience of our transportation network that such an issue can be navigated.

Ongoing Disruptions and Their Impact

Victoria Bridge and Highway 13:
The Victoria Bridge remains partially closed, with all traffic directed to the western lane. Additionally, Highway 13 in Laval is closed for renovation work until the fall, causing significant disruptions during rush hour. These ongoing projects showcase the city's commitment to infrastructure improvement, but they also highlight the need for better traffic management strategies.

Highway 15 and Repaving Work:
Repaving work on Highway 15 will continue until the end of 2027, with overnight and weekend lane closings. This long-term project is a reminder of the city's dedication to maintaining its roads, but it also raises questions about the impact on local businesses and residents.

A Deeper Look

What this weekend's traffic disruptions really suggest is a broader conversation about urban planning and transportation management. While these closures and detours are necessary, they also provide an opportunity to reflect on how we can improve our city's infrastructure and make it more resilient.

Conclusion

Navigating Montreal's weekend traffic is an art, and this upcoming weekend is a perfect example. With a mix of tunnel closures, highway work, and ongoing disruptions, it's a challenge for commuters. However, it's also a chance to appreciate the complexity of our transportation network and the efforts being made to improve it. So, plan your routes, allow extra time, and stay informed. Here's to a smooth and stress-free weekend, despite the challenges!

Montreal Weekend Traffic Alert: La Fontaine Tunnel Closure, REM Delays & More! (2026)
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