Scheduled Traffic Disruptions:August 10, 10 p.m. to August 11, 5 a.m.: Complete closure of Highway 15 southbound between Highway 640 in Boisbriand and Sainte-Rose Boulevard in Laval. Complete closure of Exit 16 (Sainte-Rose Boulevard, Avenue de la Renaissance) on Highway 15 southbound. August 10, 9 p.m. to August 11, 5 a.m.: Complete closure of the access ramps connecting Route 344 (Chemin de la Grande-Côte) to Highway 15 southbound. Complete closure of the ramp leading from Boulevard du Faubourg to Highway 15, southbound. From August 10, 9:30 p.m., to August 11, 5:00 a.m.: Complete closure of the access ramps connecting Highway 640, in both directions, to Highway 15, southbound.