Potholes in L'Assomption, QC

Population 23,442 · Quebec

This page shows pothole reports submitted in L'Assomption, Quebec. RoadRot is a free, independent platform — anyone can report a pothole, and reports get forwarded to the responsible municipality.

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Report a pothole in L'Assomption

Why L'Assomption gets potholes

L'Assomption sits in the St. Lawrence lowlands, where Quebec winters freeze the ground to depths of up to three metres for more than four months at a stretch. The Montreal-area corridor it belongs to saw at least 17 freeze-thaw days in January 2026 alone, and that repeated cycling is exactly what breaks pavement apart. Come spring, water saturates the weakened layers underneath the asphalt, and Route 343's commercial and agricultural truck traffic does the rest of the damage during the MTMD's annual Spring Thaw period, when pavement can be 30 to 70% more fragile than normal.

How to report potholes in L'Assomption

L'Assomption's Division des travaux publics handles local street maintenance and fields more than 4,000 intervention requests a year. There's no confirmed standalone pothole app or dedicated online form for defect reporting, so your best starting point is the city's main contact page at ville.lassomption.qc.ca. For provincial routes like Route 343, the Ministère des Transports et de la Mobilité durable (MTMD) is the right authority. RoadRot adds a public layer on top of all that: you can drop a pin, let neighbours confirm the report to build visibility, and use the built-in email-your-rep tool to send a direct message to your municipal or provincial representative. RoadRot doesn't forward anything automatically. It puts the report on the map and puts the pressure tool in your hands.
Guides

Hit a pothole in L'Assomption and damaged your vehicle? Read the Quebec pothole damage claim guide — deadlines, where to file, and what evidence you need. New to RoadRot? See how to report a pothole.

Common questions

Who is responsible for fixing potholes in L'Assomption?

Local municipal streets fall under the Ville de L'Assomption's Division des travaux publics. Provincial routes passing through the area, including Route 343, are the responsibility of the Ministère des Transports et de la Mobilité durable (MTMD). If you're not sure which road you're dealing with, contact the city through ville.lassomption.qc.ca and they can point you in the right direction.

Does L'Assomption have a 311 line for pothole complaints?

No dedicated 311 number has been confirmed for L'Assomption. Residents are best off contacting the city's Public Works division directly through the main contact page at ville.lassomption.qc.ca. If you know of a specific reporting channel we're missing, you can flag it through the contact form on this page.

When is pothole season worst in L'Assomption?

Spring is the most damaging period. After a Quebec winter that freezes the ground for months and puts pavement through repeated freeze-thaw cycles, the thaw season leaves road layers saturated and weak. Heavy trucks on regional routes compound the problem fast, which is why the province imposes temporary load restrictions on roads each spring.

How do I claim for vehicle damage caused by a pothole in Quebec?

You generally need to file a written notice of claim with the municipality or the MTMD, depending on who owns the road, within 15 days of the incident under Quebec's Cities and Towns Act. Document the pothole with photos, note the exact location and date, and keep any repair receipts for your vehicle. Consulting a legal professional or your insurer is worth doing before you file, since the rules around municipal liability in Quebec have specific procedural requirements.

How does RoadRot help with potholes in L'Assomption?

You can pin a pothole on the RoadRot map, rate its severity, and add a photo so others can see it. Other drivers in L'Assomption can confirm your report, which increases its visibility. When you're ready to push for a fix, the built-in email-your-rep tool lets you draft and send a complaint directly to your municipal or provincial representative. RoadRot doesn't contact the city on your behalf automatically, but a public report with community confirmations is harder to ignore than a private one.

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