Potholes in Carignan, QC

Population 11,740 · Quebec

This page shows pothole reports submitted in Carignan, 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 Carignan

Why Carignan gets potholes

Carignan sits in the Montérégie region of the St. Lawrence Valley, where winters regularly push pavement through repeated freeze-thaw cycles in spring and fall and sometimes mid-winter. Nearby Montreal logged at least 17 freeze-thaw days in January 2026 alone, which gives you a sense of what the regional asphalt is dealing with. Each cycle lets water work deeper into existing cracks before it expands and thaws again, and road salt, standard on Quebec roads from mid-October through mid-April, accelerates that breakdown at the surface.

How to report potholes in Carignan

Carignan doesn't appear to have a dedicated pothole app or 311 line. The city's Service des travaux publics (Public Works) handles road maintenance directly, and the best starting point is their office at 2379, chemin de Chambly, bur. 210 or the city website at carignan.quebec, where you should verify current contact details. If the pothole is on Route 223 (chemin de Chambly), that's a provincial road under Quebec's Ministère des Transports et de la Mobilité durable, not the city. RoadRot adds a public layer on top of official channels: you can pin a report on the map, rate severity, and use the built-in email-your-rep tool to send a complaint directly to your municipal or provincial representative yourself.
Guides

Hit a pothole in Carignan 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 Carignan?

It depends on the road. Local streets in Carignan are maintained by the city's Service des travaux publics. Route 223 (chemin de Chambly), which runs through town as the main arterial corridor, is a provincial road under the jurisdiction of Quebec's Ministère des Transports et de la Mobilité durable (MTMD). If you're not sure which category a road falls into, the city website at carignan.quebec is a reasonable starting point.

Does Carignan have a 311 service or pothole reporting app?

No dedicated 311 line or city-specific reporting app for Carignan was found in available sources. Your best bet is to contact the Service des travaux publics through the city's website at carignan.quebec to get current contact details. For provincial roads like Route 223, you'd need to reach out to the MTMD separately.

What's the worst time of year for potholes in Carignan?

Late winter into early spring is typically the peak season. That's when freeze-thaw cycles are most frequent and the cumulative damage from months of water infiltration, freezing, and expansion shows up as full surface failures. The Montérégie region also sees variable winters with spells near the freezing mark rather than sustained deep cold, which can actually be harder on asphalt than temperatures that stay well below zero.

How do I claim vehicle damage from a pothole in Quebec?

In Quebec, you can file a claim against the municipality or the MTMD depending on which road authority owns the road. You'll generally need to document the pothole (photos, location, date), show that the authority knew or should have known about the defect, and file within a specific notice period. The rules are set out under Quebec's Act Respecting Municipal Liability and related legislation, so consulting a lawyer or legal aid resource is worth it for any significant damage claim.

How does RoadRot help with potholes in Carignan?

RoadRot is a public crowdsourced map where anyone can pin a pothole, rate how bad it is, and optionally add a photo. Other drivers can confirm existing reports, which builds a visible public record of problem spots. There's also an email-your-rep tool built into the site that lets you send a complaint about a specific pothole directly to your municipal or provincial representative. RoadRot doesn't forward reports to the city automatically, but a public map with multiple community confirmations creates real pressure.

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