Thaw period - Official dates

​​​​The Ministère reminds users of heavy vehicles and shippers that the authorized load limits are reduced during the thaw period on all public roads. This is done every year to account for the road network’s lower bearing capacity during this period.

For the thaw period of 2021, the official dates of the load restriction period for each of the thaw zones are indicated below.

Official dates for 2021

Zone 1

  • From Monday, March 22nd (00:01) to Friday, April 30th (23:59)

Zone 2

  • From Monday, March 22nd (00:01) to Friday, May 14th (23:59)​

Zone 3​

  • From Monday, March 29th (00:01) to Friday, May 14th (23:59)

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