From August 18 to 21, 2023, the Ministère des Transports et de la Mobilité durable is informing users of the following closures. To adequately plan your travels to the airport, please consult Québec 511. 

Major closures on the Honoré-Mercier bridge and in the Saint-Pierre interchange   

Saint-Pierre interchange   

Eastbound ramp from Route 138 (from Honoré-Mercier Bridge) to westbound Autoroute 20 (towards Dorval and the airport).  

Complete closure, from Friday 11:59 p.m. to Monday 5 a.m. The detour will be marked with temporary signage.   

Honoré-Mercier Bridge  

Contra-flow traffic on the bridge towards the South Shore (1 lane available per direction).  

From 2 a.m. Friday night to 5 a.m. Monday.