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La Fontaine Tunnel Closures and Repairs

Multiple highway tunnels in the Greater Montreal area are undergoing scheduled electrical and safety equipment maintenance over several weekends this summer. These closures affect major commuter routes including Highway 20's La Fontaine tunnel and Highway 25, with repairs planned throughout July and August.

10D AGO

Highway 25 and the Louis-Hippolyte-La Fontaine tunnel close overnight on November 6 weekend

The Transports Québec notice sets overnight closures in both directions on Friday, Saturday and Sunday nights from November 6.

24D AGO

Highway 25 tunnel closes all directions for electrical and safety repairs this weekend

The Louis-Hippolyte-La Fontaine tunnel will be fully closed Friday night through Monday morning for system maintenance and repairs to...

27D AGO

Major bridge and highway closures hit Montreal area October 16–19

Louis-Hippolyte-La Fontaine tunnel closes both directions Friday night. Mercier and Champlain bridges face lane reductions through Monday.

27D AGO

Highway 25 tunnel closes Friday night as tunnel ceiling work continues

Complete closure between Sherbrooke and Highway 132 Friday 11 p.m. to Saturday 8 a.m.; alternate routes and truck heights noted.

38D AGO

Highway 25 tunnel toward South Shore closes Friday through Tuesday for fire panel repairs

Louis-Hippolyte-La Fontaine tunnel shuts down during long weekend with major detours; Champlain and Jacques-Cartier bridges recommended.

59D AGO

Highway 25 tunnel closes Friday night for electrical system repairs

Complete closure of Louis-Hippolyte-La Fontaine tunnel both directions Friday 10 p.m. to Saturday 7 a.m. for maintenance work on damaged systems.

93D AGO

La Fontaine Tunnel closes both directions Friday night for electrical repairs

Major commute disruption expected through Monday as Highway 25 and Highway 20 face multiple closures for system upgrades.

98D AGO

Major highway closures this weekend across Greater Montreal area

A-20 between Boucherville and the metro, Route 340 in Vaudreuil-Dorion, and other routes will be fully or partially closed Friday through Monday.

101D AGO

Highway 20 La Fontaine tunnel closures: four weekends in August and late August

Four weekend closures starting August 7 will affect Highway 20 at the La Fontaine tunnel as crews replace overpass joints; plan extra...

128D AGO

Louis-Hippolyte-La Fontaine tunnel closes both directions this weekend for electrical work

Highway 25 will shut down Friday night through Monday morning for maintenance on the tunnel's systems and infrastructure repairs.

136D AGO

Highway 25 tunnel closures set for July 3-4 weekend

The Louis-Hippolyte-La Fontaine tunnel will be completely closed toward Montreal from Friday 11 p.m. to Monday 5 a.m. for traffic...

142D AGO

La Fontaine tunnel closes Thursday for safety equipment work

Highway 25 fully shut overnight; drivers urged to check Quebec 511 before traveling.