Effective 12:01 am, Monday, March 10th, 2025 Spring season weights for Heavy Haul and Period 1 season weights for Services Rigs will come into effect on roads south of and including Township 69.

Winter season weights for Heavy Haul and Period 4 season weights for Service Rigs reamin in effect north of the thaw line.

http://www.transportation.alberta.ca/content/doctype260/production/tr-lhp-frost-thaw-contour-map.pdf