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Repair work on the Louis-Hippolyte-La Fontaine tunnel linking Montreal and the South Shore is to be extended by at least a year, according to a revised timeline from the provincial transport ministry.
Additional interventions on the tunnel’s ventilation towers are needed and there is a delay in the execution of work in the first tunnel tube, the ministry said in a news release on Friday.
The work to restore the tunnel began in 2019 and three of the tunnel’s six lanes have been closed since 2022. The work was originally scheduled to be completed by November 2025.
According to the revised schedule, work in the northbound direction is delayed to spring, 2025 from summer, 2024. At that point, the southbound tube will be reopened. The opening of both tunnel tubes, initially scheduled for November 2025, is now slated for fall in 2026.
Completion work requiring partial closings is to be carried out until 2027.
The repair of the slabs of Highway 25 and the Souligny interchange should be completed on schedule in the fall of 2025, the ministry said.
The Louis-H.-La Fontaine tunnel is undergoing its first major renovation in nearly 60 years and it features a number of challenges, the ministry said in its news release.
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