Posted June 10, 2026 
ROADWAY INFORMATION NOTICE
AS OF 9:45 PM, Wednesday, June 10, 2026
Seasonal Weights for Heavy Haul and Service Rigs:
Seasonal Weights for Heavy Haul and Service Rigs:
Effective 12:01 am, Tuesday, June 16, 2026, Post-Thaw season weights for heavy haul and Period 2 weights for service rigs will come into effect on roads province wide.
Effective 12:01 am, Wednesday, July 1, 2026, summer season weights for heavy haul will come into effect on roads province wide.
Effective 12:01 am, Thursday, July 16, 2026, Period 3 weights for service rigs will come into effect on roads province wide.
Effective 12:01 am, Tuesday, September 1, 2026, fall season weights for heavy haul and Period 4 weights for service rigs will come into effect on roads province wide.
The frost/thaw contour map is available online at:
http://www.transportation.alberta.ca/content/doctype260/production/tr-lhp-frost-thaw-contour-map.pdf
Permit Information: 1-877-236-6445
Main Administration Line for Roadata Services Ltd: 403-314-9500
Disclaimer: This information contained on this notice is as current as possible and the accuracy is to the best of our abilities. The information may change at any time. The reader of this notice will indemnify Roadata Services Ltd. of any liability related to the use of this information.
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