2016-2017 Manitoba's Highway Winter Seasonal Weights (WSW)

2016-2017 Winter Seasonal Weights - Order #3 (PDF, 29 KB)
(Winter seasonal weights will be allowed starting
December 15 in Zone 1 and December 12 in Zone 2)

2016-2017 Winter Seasonal Weights - Order #2 (PDF, 23 KB)
Notice: The start date of the 2016-2017 Winter Seasonal Weights will be delayed untilDecember 21 in Zone 1 and December 12 in Zone 2. (PDF, 23 KB)

The purpose of WSW program is to allow higher than normal weights on Manitoba highways and roads during the winter season when the roadbed is in a frozen condition. Pursuant to the Vehicle Weights and Dimensions on Classes of Highways Regulation (MB Reg 575/88), Highway Traffic Act, Manitoba Infrastructure has developed a new policy, based upon scientific data, for flexible start and end dates of the WSW period. The WSW includes the winter weight premium (WWP), the winter seasonal RTAC routes designation and the winter seasonal class A1 highways designation.

General guidelines to winter seasonal weights are provided here. Please refer to MB Reg 575/88 for specific details.


The WSW Order is made available in the fall.

An earlier start date and a later end date will be communicated via this web site and the Highway Information (511) line.

  1. Web site: Refer to this web site for updates, WSW Orders, Allowable Weights, Climate Zones and the Weight Maps.
  2. Highway Information Line: Information will be available through a verbal description of start and end dates at 511 in Manitoba, or 1-877-627-6237 outside Manitoba.

Advertisements announcing that the WSW order is available will be published in the fall in the following publications:

  1.   La Liberte
  2.   Winnipeg Free Press
  3.   Winnipeg Sun
  4.   Brandon Sun

Latest Start and Earliest End Dates

December 1 is the latest date for the start of the WSW. The last day of February in the following year is the earliest date for the end of the WSW.

Climate Zone

Start Date

End Date

Zone 1:

December 1*

February 28/29**

Zone 2:

December 1*

February 28/29**

* May be earlier depending upon weather conditions

** May be later depending upon weather conditions

The WSW orders start times will be 12:00 A.M. on the given start dates. The WSW orders will expire at 11:59 P.M. on the respective end dates.

Further information

For further information, please contact any of the following:

  1. Manitoba Infrastructure Offices
  2. Manitoba Weigh Stations
  3. Permit Services: 1-204-945-3961 or toll-free at 1-877-812-0009