MONTREAL - The Quebec Transport Ministry is alerting motorists of the following temporary road closures.

Turcot Interchange: The ramp from Highway 20 eastbound to the 15 south will be closed overnight Thursday January 19 from 10 p.m. to 5 a.m. Friday, Jan. 20. It will also be closed from 11 p.m to 7 a.m. Sunday.

Motorists are advised to continue to Guy and double back to approach the 15 by driving west.

The Lafontaine Tunnel will be closed southbound for 24 hours starting Saturday at 11:59 p.m. until the same hour Sunday, Jan. 22.

The Mercier Bridge will also be undergoing lane closures between Friday, January 27th, 10 a.m., and Monday, Jan. 30 at 5 a.m.

Also:

Friday Jan. 27 at 10 a.m. to Saturday, January 28 at 4 a.m. Two lanes will be opened to traffic towards the South Shore. No traffic towards Montreal.

Saturday, Jan. 28 from 5 a.m. to 2 p.m. Two lanes will be opened to traffic towards Montreal. No traffic towards the South Shore.

Saturday, Jan. 28 at 3 p.m. to Sunday, Jan. 29 at 4 a.m. Two lanes will be opened to traffic towards the South Shore. No traffic towards Montreal.

Sunday, Jan. 29 from 5 a.m. to 2 p.m. Two lanes will be opened to traffic towards Montreal. No traffic towards the South Shore.

Sunday, Jan. 29 at 3 p.m., to Monday Jan. 30 at 5 a.m. Two lanes will be opened to traffic towards the South Shore. No traffic towards Montreal.

Monday, Jan. 30 at 5 a.m. Reopening of the upstream bridge. Two lanes will be opened in each direction.