Mobility Montréal - Commuting made easier

Québec 511 > Road Conditions > By Region and by Road > Route 344

Route 344

Road Conditions Information on winter road conditions is updated once a day between 3 a.m. and 6 a.m. from October 15 to April 15 inclusive, and every time road conditions change.

Information on winter road conditions is updated once a day between 3 a.m. and 6 a.m. from October 15 to April 15 inclusive, and every time road conditions change.

Roadway

Bare (dry or wet)

Partly snow covered, snow packed

or ice covered

Snow covered, snow packed

or ice covered

Visibility

Good

Fair

Poor

Roadwork

Some informations are available in french only.

Minor hindrance

Major hindrance

Other informations

Warning

Trucks prohibited

Ferry

Border crossing

Laurentides—Lanaudière

Louis-Hippolyte-La Fontaine tunnel

Height clearance reduced to 4.3 meters since May 5, 2025. Recreational vehicles, among others, make sure to respect the height clearance before including the tunnel in your itinerary. .

June 18, 2025
at 11 a.m.

344

À Terrebonne, les accès R-344 pour A-25 SUD

Hindrance
Minor

Direction
West and east

From September 12, 2025 at 9:30 p.m.
to September 15, 2025 at 5 a.m.

344

À Terrebonne, boulevard des Seigneurs, entre Côte de Terrebonne et R-337

Hindrance
Major

Direction
West and east

From September 12, 2025 at 10 p.m.
to September 15, 2025 at 5 a.m.