Weekend traffic update: Turcot, Champlain, Bonaventure — sound familiar?

The weekend brings more trouble at familiar problem spots: the Turcot Interchange, the Champlain Bridge and the Bonaventure. Here are the details.
Turcot
Because of work on the Turcot Interchange, the westbound Ville-Marie Expressway and Highway 20 will be closed from the Robert-Bourassa/Champlain Bridge exit until the entrance at Ste-Anne-de-Bellevue Blvd. at the Montreal West Interchange.
The eastbound Ville-Marie will be closed at the Turcot Interchange until the de la Cathédrale/Notre