Water flows under the Galipeault Bridge in Ile-Perrot which was close to traffic on Monday, May 8, 2017.
Peter McCabe / MONTREAL GAZETTE
Flooding has closed several streets and highways in the Montreal area. Here is a list of the most important road closures, and what the government is doing to mitigate the traffic tie-ups they will cause on Monday.Western off-islandGalipeault Bridge (Highway 20) between Île-Perrot and Ste-Anne-de-BellevueClosed completely in both directions. (Though the bridge is not flooded, wind is driving up water that was already lapping the edge of the bridge Friday night and creating hazardous driving conditions.)Detours: Highway 40 (Île-aux-Tourtes Bridge through Vaudreuil-Dorion); Highway 30 (Serge-Marcil Bridge via South Shore)Mitigating measures: Toll on Highway 30 is suspended while the Galipeault Bridge is shut down. Travel on Exo’s Vaudreuil-Hudson train line will be free on weekdays as of Monday, as will Presqu’Île sector buses 1, 2, 3, 4, 5, 6, 7, 8, 9, 15, 21, 31, 33, 35, 40, 41, 42, 43, 44, 46, 51, 61, 115 and 335.Highway 40 in Vaudreuil-Dorion at des Chenaux Rd.One lane closed eastbound.Detours: None.Mitigating measures: None.Route 340 in Vaudreuil-Dorion between Léger St. and Paul-Gérin-Lajoie Rd.Closed in both directions.Detours: Ouimet St.Mitigating measures: None.Other local roads closedDes Outaouais Rd. in Pointe-Fortune between Fournier St. and Route 342 Several flooded residential streets in Pointe-Fortune and Rigaud Bridge to Île-Cadieux Montreal — Île BizardLouis-Roch St. and bridge connecting Île Bizard and Île MercierClosed in both directions.Detours: None. Vehicles can not get on or off the island.Mitigating measures: None.Bord-du-Lac Rd. between Place des Cajeux and Philippe-Delisle St.; Roussin St.; Vermont St.Closed in both directions.Detours: Cherrier St. and Dutour Rd.Mitigating measures: None.Local roads also closedMontreal — Pierrefonds-RoxboroPierrefonds Blvd. between Jacques-Bizard Blvd. and Richmond St.; St-Jean Blvd. between Harry-Worth St. and Gouin Blvd.; Gouin Blvd. between Aumais St. And René-Émard St.Closed in both directions.Detours: Shakespeare St. and Anselme-Lavigne Ave. or local roads.Mitigating measures: None.Rive-Boisée Rd. between addresses 420 and 530Closed in both directions.Detours: Local roads.Mitigating measures: None.Anse-à-l’Orme Rd. between Senneville Rd. and Timberlea-Trail St.; Gouin Blvd. over Rivière à l’Orme bridgeClosed in both directions.Detours: St-Charles Blvd. (Senneville Rd. is open only to local residents.)Mitigating measures: None.Local roads also closedLalande Blvd. between Dollard St. and Rose St. Oakridge Ave. bridge LavalÎle-Bigras bridge (Dupont St.)Closed in both directions.Detours: None. Vehicles can not get on or off the island.Mitigating measures: Free train shuttle between Île-Bigras and Ste-Dorothée stations, with departures every half hour on the weekend and overnights. On weekdays, Exo trains on the Deux-Montagnes line will be free between Île-Bigras and Ste-Dorothée stations only.North ShoreRoute 117 in Mirabel between Highway 50 and Rouge 158Closed completely in both directions.Detour: Highway 15.Mitigating measures: Service on the Exo’s St-Jérôme train line will be free on weekdays, as will Laurentians region buses 9, 11, 12, 15, 17, 20, 22, 23, 27, 51, 52, 60, 61, 62, 71, 72, 73, 74, 88, 100, 101, 102, 103, 105 and 107.Route 158 in Mirabel between St-Simon Rd. and Highway 15Closed completely in both directions.Detours: Highway 50 or local roads.Mitigating measures: None specifically for this closure, but see measures for Route 117 above.Route 327 at Lac Beaven in ArundelClosed completely in both directions.Detours: White Rd.Mitigating measures: None.Route 344 (Oka Rd.) in St-Joseph du Lac at Principal Rd.Closed completely.Detours: Highway 640.Mitigating measures: None.For a full list of closures on provincial highways, see this list on the Transports Québec website.Related