Quebec Frost Laws, Seasonal Load Weight and Speed Restrictions – 2025

2025 FROST LAWS UPDATE

For the latest updates, check Quebec Thaw period - official dates

The province of Quebec is divided into three Thaw Zones, each with different starting and ending dates for load limit reductions:

Thaw Zones Map (+ A More Detailed Map PDF)

According to the Ministry of Transportation, spring thaw restrictions are:

For the thaw period of 2022, the predicted dates of the load restriction period for each of the thaw zones are indicated below.

Official dates for 2025

Zone 1

• From Monday, March 4^th (00:01) to Friday, April 26^th (23:59)​

Zone 2

• From Monday, March 18^th (00:01) to Friday, May 10^th (23:59)

Zone 3

• From Monday, March 18^th (00:01) to Friday, May 10th (23:59)
  

Depending on changes in weather conditions, the start and end of the load restriction period can be moved ahead or postponed.

Please note that the target dates represent the most likely start and end dates of the thaw period for each of the three zones. Depending on the changes in weather conditions, these dates may be moved ahead or postponed.

For the most recent info, check https://www.transports.gouv.qc.ca/en/camionnage/degel-periode-restrictions-charges/Pages/periode-degel.aspx.

For restrictions, refer to "Québec Vehicle Load and Size Limits Regulation—Highway Safety Cod."

For, The load limit of an axle or combination of axles in a regular period or a period of thaw or rain belonging to a class in Schedule B is as follows: http://legisquebec.gouv.qc.ca/en/ShowDoc/cr/C-24.2%2c%20r.%2031?langCont=en#se:14