Weekend traffic update Oct. 20-22: Closures, detours on Mercier, Turcot, Highway 136

The following detours and road closures will be in effect for the weekend of Oct. 20-22.
Turcot Interchange:
Total shutdown of the following access ramps from 11:59 p.m. Friday until 5 a.m. Monday.
A-15 South (Décarie) for the A-720 East/Downtown.
A-20 East (du Souvenir) for the A-720 East/Downtown.
A-720-West (Ville Marie) for the A-20 West (towards Trudeau airport).
A-720 West (Ville Marie) for the A-15 South (towards Champlain Bridge).
Other Turcot related shutdowns:
Total closure of H