Alberta spring thaw weight restriction dates announced
Alberta Transportation has listed all the affected highways by clicking here, and will also offer details over the phone at 1-855-762-3226 (ROA-DBAN).
Details about road bans on local routes in counties and municipal districts are available through their individual offices.
Spring weight restrictions for heavy haul and Period 1 weights for service rigs are effective at 12:01 am on March 8 on roads south of and including Township 44.
Winter season weights for heavy haul and Period 4 weights for service rigs remain in effect on roads north of the thaw line.
The frost/thaw contour map is available online through this link.