Fleets in Ontario Need to Keep a Close Watch on Spring Thaw Weight Reductions

Cargo truck on the mountain.

Under the Highway Traffic Act, Ontario Province in order to protect the roads and highways may implement the spring thaw weight restrictions in the state. 

The details of the spring weight restrictions have been categorized in various schedules. Under schedule 1 King’s Highways, the weight restrictions can come into effect during March -April while schedule 2 King’s Highways between March -May while schedule 3 King’s Highways can become applicable from March to June. The restrictions will be subject to the weather conditions. 

The fleets can check out the list of highways which may get affected in MTO memo: 2023 Spring Loads Restrictions – Memo public

Also, for detailed information on weight restrictions, companies/employees can check; https://511on.ca/list/seasonalloads

In addition, the fleets in Ontario also need to be watchful about the by-laws and implementation dates pertaining to weight restrictions, passed by the Municipalities.