Complete closure of Hwy-15 South and Hwy-15 North between Champlain Bridge and the Turcot Interchange during the weekend of December 1, 2017

As part of the construction of the new Champlain Bridge, Signature on the Saint Lawrence wishes to inform drivers of major disruptions during the weekend of December 1, 2017. Hwy-15 North (between Exit 58 and Atwater) and Hwy-15 South (between the Turcot Interchange and Exit 60) will be completely closed between the Champlain Bridge and the Turcot Interchange to allow work for the change in phase on the new Champlain Bridge Corridor.

Hwy-15 North will therefore be fully closed from Exit 58 (for downtown Montreal and L’Île-des-Sœurs) to Exit 61 (Atwater) from Friday, December 1 (10 p.m.) to Monday, December 4 (5 a.m.). Drivers are encouraged to stay on the Bonaventure Expressway to take Hwy-720 from Saint-Antoine Street. They can then follow the detour signs on the 720.

Hwy-15 South will be completely closed from the Turcot Interchange to Exit 60 (Gaétan-Laberge) from Friday, December 1 (10 p.m.) to Monday, December 4 (5 a.m.). Drivers can take Hwy-136 to reach the Bonaventure Expressway from Duke Street. There will be detour signs throughout showing drivers where to go.

Please note that as of Monday, December 4, 2017, Exit 61 (Atwater) off Hwy-15 North will be fully closed for a number of weeks. A temporary Exit 61 will open, with a traffic light allowing a right turn (Verdun) and left turn (Le Sud-Ouest). Drivers will be able to continue to Exit 62 (Vérendrye).

There will be signs indicating the various detours and police officers will be strategically placed to limit the impact on traffic in the area. Drivers are encouraged to check our website and to follow us on Twitter @nouv_champlain for the latest information on the traffic disruptions. You can learn about the main disruptions on the Waze community-based traffic and navigation app as well.

We also strongly urge drivers to check the MTQ website at before setting out or to follow the MTQ on Twitter @Qc511_Mtl for information on all disruptions in the Greater Montreal road network. Public transit users can visit the STM or RTL websites to see the impact on their routes and bus stops.