Regulatory

Frost/Thaw Line



The Frost/Thaw line refers to the seasonal or period weights currently in place in the Province of Alberta. Depending on the time of year, different parts of the Province may be at different allowable weights. To see what season or period the Province is currently allowing please use the following link:

http://www.transportation.alberta.ca/Content/docType260/Production/FrostThawMap.pdf