La Fontaine tunnel & Highway 25: Overnight road closures to affect Montrealers this weekend

Highway 25, including the Louis-Hippolyte-La Fontaine tunnel, will be closed overnight this weekend, according to Quebec’s transport ministry.

The ministry says the closures are needed to carry out maintenance work on the tunnel’s electrical and communication systems. Repairs to items damaged as a result of incidents and fender benders over the past year will also be carried out.

Highway 25 toward Montreal

Complete closure of Highway 25 northbound (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, according to the following schedule:

  • Friday, 11 p.m., to Saturday, 8 a.m.;
  • Saturday, 11 p.m., to Sunday, 9 a.m.;
  • Sunday, 11 p.m., to Monday, 5 a.m.

The entrances to this section will be closed 30 minutes before the highway is completely closed.

Overnight closures on Highway 25 during the weekend of Nov. 6 (Courtesy: Quebec’s Ministry of Transport and Sustainable Mobility)

Highway 25 toward the South Shore

Complete night closure of Highway 25 toward the South Shore (including the Louis-Hippolyte-La Fontaine Tunnel) between exit 5 (route 138, Hochelaga Street, Sherbrooke Street) and the entrance from Île Charron, according to the following schedule:

  • Friday, 11 p.m., to Saturday, 8 a.m.;
  • Saturday, 11 p.m., to Sunday, 9 a.m.;
  • Sunday, 11 p.m., to Monday, 5 a.m.

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 complete closure of Highway 25.

Overnight closures on Highway 25 during the weekend of Nov. 6 (Courtesy: Quebec’s Ministry of Transport and Sustainable Mobility)

Work may be postponed due to adverse weather conditions or operational constraints. Before hitting the road, it is recommended that you consult Québec 511, a practical tool for properly planning your trips, and download the Québec 511 mobile application to activate notifications.

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