Closure of Highway 520 Westbound from April 24 to 27, 2026

  • 23 April 2026 at 09:31
Road Access  Print

The Ministère des Transports et de la Mobilité durable announced the complete closure of the A-520 westbound between Exit 4 (Mirabel, A-13, Montée de Liesse, Lachine, Laval) and the entrance from A-13 South from 9:30 p.m. on Friday, April 24, until 5 a.m. on Monday, April 27. The detour will be via the service road (chemin de la Côte-de-Liesse). Between 5 a.m. on April 27 and 5 a.m. on May 4, there will be a partial closure of the A-520 westbound (1 lane open) at the level of the A-13. The entrance from the montée de Liesse will also be closed until 5 a.m. on May 4.

Road congestion and delays are to be expected.

In order to properly plan your trips, it is recommended that you consult Québec 511.

 

From Friday, April 24, 9:30 p.m. to Monday, April 27, 5 a.m.

  • Closure of highway A-520 westbound between Exit 4 (Mirabel, A-13, Montée de Liesse, Lachine, Laval) and the entrance from highway A-13 South.
  • Detour via service road (chemin de la Côte-de-Liesse).

 

From Monday, April 27, 5 a.m. to May 4, 5 a.m.

  • Partial closure (1 lane open) of the A-520 westbound at the level of the A-13.
  • The entrance from the montée de Liesse will also be closed until 5 a.m. on May 4.