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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

Current Warnings

Louis-H.-La Fontaine Tunnel
Contraflow traffic (north tube), 2 lanes northbound and only one southbound.
Northbound lanes width reduced to 3.2 m. Cause: tunnel repair.

Heavy vehicles:
Coming from A-20 West/A-25 North (towards Montréal), right lane MANDATORY from De Mortagne Blvd.

Coming from A-25 South (towards Longueuil), right lane PROHIBITED from Sherbrooke Street.

March 6, 2025
at 2:21 p.m.

Thaw

Thaw period

From March 24, 2025
to May 23, 2025

Thaw period

From March 24, 2025
to May 23, 2025

Thaw period

From April 7, 2025
to June 6, 2025

Montréal

520

From : Dorval

To : Junction of highways 40 and 520

Roadway
Bare and Dry

Visibility
Good