MONTREAL -- Roadwork will close a major section of Highway 20 this weekend, but only overnight Friday and Sunday. Here's what you need to know: 

Highway 720

Starting Friday at midnight and ending Monday at 5 a.m., Highway 720 West will be closed between Exit 5 inside the Ville-Marie tunnel (Robert Bourassa Boulevard, Highway 10 East) and the entrance to Lucien-L’Allier St.

Turcot interchange (night closures)

Overnight Friday, from 10 p.m. until 8 a.m., and again overnight Sunday, from 9 p.m. until 5 a.m., the ramp from Highway 15 in both directions towards Highway 20 West (towards the West Island) will be closed. (NOTE: the exit from Highway 15 South towards Highway 20 will only open at 9 a.m. on Saturday) *See graphic

From Saturday at 5 a.m. until Monday at 5 a.m., Chemin de la Cote-St-Paul will be closed between Monk Boulevard and Notre-Dame St. (under Highway 15)

Turcot closures, Feb. 21 to 24.

Highway 20

Overnight Friday, from midnight until 9 a.m. and again overnight Sunday from 10 p.m. until 5 a.m., Highway 20 West will be closed between the Turcot and the Saint-Pierre interchanges.

Also overnight Friday, starting at midnight and ending at 8 a.m., and overnight Sunday, starting at midnight and ending at 5 a.m., the entrance from Sainte-Anne-de-Bellevue Boulevard onto the Highway 20 will be closed.

On Highway 720 East, exit 2 (for Atwater Avenue) will be closed from Friday at midnight until Saturday at 8 a.m.

Highway 20 closures, Feb. 21 to 24.

Starting on Monday at 9 p.m., in the Ville-Marie tunnel, will be closed until March 13.