Drivers in and around Montreal should note that construction work will cause several road closures, including on bridges leading in and out of the city. Here are the Montreal road closures for this weekend. Louis-Hippolyte-La Fontaine Bridge-Tunnel (A-25) Honoré-Mercier Bridge (R-138) Saint-Jean-Baptiste Boulevard (R-132) Ville-Marie Tunnel (R-136) Westbound Eastbound Wellington Street All work may be subject to cancellation or postponement due to weather or other constraints.