Transport Quebec announced that Highway 25, including the Louis-Hippolyte-La Fontaine tunnel, will be closed in both directions this Friday and Saturday nights.
The closure is necessary to perform maintenance work and repairs on the tunnel’s electrical and communications systems, the ministry said.
Highway 25 toward the South Shore will remain closed between Exit 5 (Route 138, Hochelaga Street, Sherbrooke Street) and Souligny Avenue until Monday, July 13, 5 a.m. This obstruction is required in order to set up a detour of Highway 25 toward the South Shore that will allow for completion work in the area.
Souligny Avenue westbound, between Honoré-Beaugrand and Dickson streets, will also be closed during the weekend of July 10. This obstruction is required for the waterproofing of the structures of the Souligny interchange.
Highway 25 toward the South Shore
- Highway 25 will be completely closed in the direction of the South Shore (including the Louis-Hippolyte-La Fontaine Tunnel) between Exit 5 and the on-ramp from Île Charron, from Friday at 11 p.m. to Saturday at 8 a.m.
- The on-ramps for this section will be closed 30 minutes before the highway closes completely.
- Highway 25 will be completely closed in the direction of the South Shore between Exit 5 and Souligny Avenue from Friday at 11 p.m. to Monday at 5 a.m.
- The entrance on Sherbrooke Street will remain closed.
- When it reopens on Saturday morning, the Louis-Hippolyte-La Fontaine Tunnel will be accessible from Souligny Avenue heading east.
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 Sherbrooke Street East, from Friday at 11 p.m. to Saturday at 8 a.m.
- The on-ramps for this section will be closed 30 minutes before the highway closes completely.
- The two left lanes of Highway 25 northbound will be closed between the entrance to the ramp from Souligny Avenue eastbound and the overpass at Place Curatteau, from Saturday at 10:30 p.m. to Sunday at 9 a.m.
Souligny Avenue
- Avenue Souligny will be completely closed to eastbound traffic between Dickson Street and Honoré-Beaugrand Street from 10:30 p.m. on Friday until 8 a.m. on Saturday.
- Avenue Souligny will be completely closed to eastbound traffic, past the southbound tunnel entrance ramp, from 10:30 p.m. on Saturday through 9 a.m. on Sunday.
- Avenue Souligny will be completely closed to westbound traffic between Honoré-Beaugrand Street and Dickson Street from Friday at 10:30 p.m. until Monday at 5 a.m.
The maintenance work may be postponed or cancelled due to weather conditions.
Drivers are advised to check the Québec 511 website or download the Québec 511 mobile app to plan their trips.
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