Autoroute 40
Major east–west link with busy urban approaches.
Wider regional considerations include verglas, roadworks and bridge approaches.
QUÉBEC · HIGHWAY GUIDE
Autoroute 40 road conditions
Montréal · Trois-Rivières · Québec City
CORRIDORMontréal · Trois-Rivières · Québec City← All Québec
Before you go
Confirm closures, surface conditions, direction of travel and the last published report with the road authority.
Official source – Québec ↗Environment Canada weather alerts
Official weather feed connected
These are meteorological alerts for the region, not proof that any particular highway is closed.
frost advisory
2026-10-10 08:39 UTCfrost advisory
2026-10-10 08:39 UTCfrost advisory
2026-10-10 08:39 UTCfrost advisory
2026-10-10 08:39 UTCfrost advisory
2026-10-10 08:39 UTCfrost advisory
2026-10-10 08:39 UTCfrost advisory
2026-10-10 08:39 UTCfrost advisory
2026-10-10 08:39 UTC© Environment and Climate Change Canada · Full official weather warnings
Cities near this corridor
A useful check for this stretch
Surface reports and weather
Road conditions along Montréal · Trois-Rivières · Québec City may vary independently from conditions elsewhere in Québec. Consider verglas, roadworks and bridge approaches.
What if the live feed is missing?
An unavailable report is not a clear-road report. Treat the status as unknown and check official agency updates, road signs and posted restrictions.