From August 4 to 7, 2023, the Ministère des Transports et de la Mobilité durable announces the closure of the Saint-Pierre interchange ramp leading from the Honoré-Mercier bridge to Autoroute 20 westbound. 

In addition, Autoroute 20 westbound will be closed Friday night in the interchange. 

To adequately plan your travels to the airport, please consult Québec 511.