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Québec 511 > Trucking > Hindrances Related to Load and Size > Autoroute 520

Autoroute 520

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

Thaw

Thaw period

From March 16, 2026
to May 15, 2026

Thaw period

From April 13, 2026
to June 12, 2026

Thaw period

From April 13, 2026
to June 12, 2026

Montréal

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.

520

From : Dorval

To : Junction of highways 40 and 520

Roadway
Bare and Dry

Visibility
Good