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Major Weekend Headaches Ahead: Louis-Hippolyte-La Fontaine Tunnel Shutting Down

  • Nishadil
  • November 29, 2025
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  • 2 minutes read
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Major Weekend Headaches Ahead: Louis-Hippolyte-La Fontaine Tunnel Shutting Down

Alright, Montreal drivers, let's talk about the elephant in the room – or, rather, the massive tunnel closure looming over our weekend plans. If you're accustomed to using the Louis-Hippolyte-La Fontaine Tunnel, especially heading southbound, you're going to want to pay close attention to this.

Get ready for some serious rerouting because the notorious Louis-Hippolyte-La Fontaine Tunnel, along with a significant portion of Highway 25 South leading directly to it, is shutting down entirely. We're talking from late Friday night, specifically 11:59 p.m., all the way through to early Monday morning, 5 a.m. sharp.

Now, this isn't just a minor inconvenience; it's a crucial step in the extensive, ongoing work to rebuild and reinforce this vital artery and its access points. They've been at it for a while now, and closures like these, though painful, are part of the process to ensure the tunnel's longevity and safety. Frankly, it’s a big project, and it demands big interventions.

So, what does this mean for your weekend plans, especially if you're venturing south of the city? Well, prepare for serious detours and, I won't sugarcoat it, considerable delays. Authorities are strongly, strongly urging motorists to steer clear of the area if at all humanly possible. Think of it as a forced staycation, perhaps?

If crossing the river is an absolute must, your primary alternatives will be the Jacques Cartier Bridge or the Samuel De Champlain Bridge. But here’s a genuine pro tip: seriously consider public transit this weekend. The métro or a bus could genuinely be your sanity saver, helping you bypass the potential hours of frustration stuck in traffic. It might just be the smartest move you make all weekend.

Look, we all know Montreal traffic can be a beast on a normal day, but add a full tunnel closure to the mix, and you've got a recipe for epic gridlock. So, please, do yourself a favor: plan ahead, check your routes well in advance, and maybe even rethink that spontaneous trip south this weekend. Trust me, your future self will absolutely thank you for avoiding this particular headache!

Disclaimer: This article was generated in part using artificial intelligence and may contain errors or omissions. The content is provided for informational purposes only and does not constitute professional advice. We makes no representations or warranties regarding its accuracy, completeness, or reliability. Readers are advised to verify the information independently before relying on