Two Major Montreal Roads Closed for Weekend Repairs
Highway 40 at Senneville and the Louis‑Hippolyte La Fontaine tunnel will be shut on October 23‑24 for repairs, affecting major entry and exit routes to the island.
GMNA Montreal
Highway 40 at Senneville near the Île‑aux‑Tourtes bridge and the Louis‑Hippolyte La Fontaine tunnel will be closed on October 23‑24, 2026 for repair and construction work.
The closures affect two of the main routes used to enter and leave the island of Montreal, likely causing traffic diversions.
