E-Bulletin
December 15/2023
Seasonal Weights for Heavy Haul and Service Rigs:
Effective 12:01 am, Monday, December 18, 2023, Winter season weights for heavy haul will come into effect on roads north of and including Township 47.
Period 4 weights for service rigs remain in effect on roads province wide.
The frost/thaw contour map is available online at:
http://www.transportation.
Historical dates of seasonal weight changes from 1989 to the present are available online at:
http://www.transportation.
Note: Web browsing history may need to be cleared from web browser first prior to viewing the updated files.
There is a new email sign-up page available at: https://www.alberta.ca/road-
If you no longer wish to receive our emails, follow the same link to unsubscribe from the one-window notification service then enter email address and select Unsubscribe from the dropdown menu.
Up-to-date road information, including traffic delays, is a click or a call away. Call 5-1-1 toll-free, visit 511.alberta.ca or follow us on Twitter @511Alberta to get on the road to safer travel.