La Fontaine tunnel closed Friday night into Saturday
Posted January 13, 2025 1:44 pm.
Motorists can expect to see a complete closure of both directions of Highway 25, including the Louis-Hippolyte-La Fontaine tunnel, during the night of January 17 to 18.
The ramp leading from Highway 40 westbound to Highway 25 southbound will also be closed.
According to the Transport Ministry, these closures are required to carry out work related to the tunnel’s electrical and communication systems.
Maintenance work is also planned on Highway 25.
Friday to Saturday night, from 11 p.m. to 8 a.m.
Highway 25 toward the South Shore
- Complete closure of Highway 25 toward the South Shore (including the Louis-Hippolyte-La Fontaine tunnel) between exit 5 – R-138 / Hochelaga Street / Sherbrooke Street and the entrance from Charron Island.
- The entrances to this section will be closed 30 minutes before the highway is completely closed.
- Souligny Avenue eastbound, between Dickson and Honoré-Beaugrand streets, will be closed 30 minutes before the highway is completely closed.
Anjou Interchange
- Complete closure of the ramp leading from Highway 40 westbound to Highway 25 southbound.
Highway 25 toward Montreal
- Complete closure of Highway 25 toward Montreal (including the Louis-Hippolyte-La Fontaine tunnel) between exit 90 – Highway 20 West, Route 132, La Prairie / USA, Varennes, P.-E.-Trudeau Airport and the entrance from Yves-Prévost Boulevard.
- The entrances to this section will be closed 30 minutes before the highway is completely closed.
In the event of adverse weather conditions or operational constraints, these interventions may be postponed.
The Ministère says to regularly consult quebec511.info before hitting the road or to call 511 to find out about closures.