Montreal drivers are expected to face significant disruptions due to multiple road closures and construction projects over the long weekend. The closures include the southbound lane of Décarie, as well as other major highways and roads, with some related to repair work and others to events such as bike races and parades. The extent and locations of the closures and projects are varied, with some outlets reporting on specific road closures and others mentioning a larger number of construction projects across the city.