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Québec 511 > Road Conditions > By Region and by Road > Route 143

Route 143

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

Current Warnings

Weather warnings are in effect for several regions of Quebec. Snow, freezing rain, and strong wind gusts are expected. Conditions could deteriorate rapidly and cause road closures.

Be carefull, avoid traveling!

March 10, 2026
at 3 p.m.

Thaw

Thaw period

From March 16, 2026
to May 15, 2026

Thaw period

From March 23, 2026
to May 22, 2026

Thaw period

From March 30, 2026
to May 29, 2026

Mauricie—Centre-du-Québec

Sorel-Tracy - Saint-Ignace-de-Loyola: Departures from Saint-Ignace-de-Loyola each hour and departures from Sorel-Tracy at the half of every hour, for an undetermined period. Reason: 1 ferry in operation. Consult the Société des traversiers du Québec website. Ferry service : Open.

January 19, 2026
at 6:30 a.m.

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.

143

À Saint-Majorique-de-Grantham, à proximité de la route Chagnon.

Hindrance
Minor

Direction
In one direction at a time

From March 2, 2026 at 8 a.m.
to March 11, 2026 at 6 p.m.