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.
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Highway 25, including the Louis-Hippolyte-La Fontaine tunnel, closes completely in both directions Friday, September 18 at 10 p.m. until Saturday, September 19 at 7 a.m. for maintenance work on the tunnel's electrical and communication systems.
Transport Quebec says the work will repair items damaged due to various incidents and fender-benders over the past year. The closure affects northbound traffic from Exit 90 (Highway 20 West, Route 132, La Prairie, USA, Varennes, P.-É.-Trudeau airport) to the entrance from Sherbrooke Street. Southbound traffic is closed from Exit 5 (Route 138, Hochelaga Street, Sherbrooke Street) to the entrance from Charron Island.
Leading partial closures began earlier in the week: Route 132 eastbound closed Monday night, September 14 to Tuesday morning, September 15; two right lanes on Highway 25 northbound close Thursday, September 17 at 9 p.m. until Friday at 5 a.m., along with the Exit 5 closure during that window. The entrance from Notre-Dame Street East closes Thursday at 8:30 p.m. until Friday at 5 a.m., then again Friday at 10:30 p.m. until Saturday at 9 a.m. Souligny Avenue eastbound between Dickson and Honoré-Beaugrand streets closes 30 minutes before the main closure.
Work may be postponed or cancelled due to weather or operational constraints. Transport Quebec advises drivers to check Québec 511 before travelling and plan alternate routes.
The facts
When does the Louis-Hippolyte-La Fontaine tunnel close completely?
The Louis-Hippolyte-La Fontaine tunnel closes completely in both directions on Friday, September 18 at 10 p.m. until Saturday, September 19 at 7 a.m.
Why is Highway 25 closing?
The closure allows maintenance work on the tunnel's electrical and communication systems to repair items damaged by various incidents and fender-benders over the past year.
Which exits are affected during the main closure?
Northbound traffic is closed from Exit 90 to the entrance from Sherbrooke Street; southbound traffic is closed from Exit 5 to the entrance from Charron Island.
What partial closures happened before the main closure?
Route 132 eastbound closed from Monday night, September 14 to Tuesday morning, September 15. Two right lanes on Highway 25 northbound close Thursday, September 17 at 9 p.m. until Friday at 5 a.m., along with the Exit 5 closure during that window.
Ongoing coverage · La Fontaine Tunnel Closures and Repairs
