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2023 Quebec Thaw Restrictions

Dear Customer,


CP has issued following update to the industry:



Quebec Ministry of Transport annual spring thaw weight restrictions.


In support and preparation of the province of Quebec spring weight restrictions CP will be implementing our reduced weight requirements as outlined below in Tables 1 & 2.


Effective Monday, February 20, 2023 CP will not accept or in-gate any overweight containers.

Overweight loads will be returned to the Shipper at the payer of freight’s expense. Domestic shipments where CP performs the drayage, weights must be reduced and evenly distributed in the unit in order to avoid possible charges and fines associated with the Quebec and New Brunswick spring thaw restrictions. The payer of freight retains responsibility for any such charges. If the Government of Quebec issues an earlier date for spring thaw weight restrictions than CP’s effective date, we will advise accordingly.

CP will advise via Customer Bulletin when the reduced weight restrictions will be lifted, this will be based on Quebec spring thaw restrictions end dates published by the Ministry of Transport.

Final dates to ship without restrictions

The final shipping dates without restrictions are listed below in Table 1. Maximum payload is noted in Table 2. We encourage you to visit the Government of Quebec website here for a complete guide on spring thaw zones, dates, regulations, and restrictions.

Overweight traffic delayed online, but shipped on or before the Last Shipping Date will be delivered by CP without the application of overweight charges.

Table 1:


Last shipping date with regular payload weight:


Traffic origin

Quebec Destination

Edmonton IMS

Thursday, February 23

Minneapolis IMS

Thursday, February 23

Vancouver IMS

Thursday, February 23

Calgary IMS

Friday, February 24

Regina IMS

Friday, February 24

Winnipeg IMS

Friday, February 24

Schiller IMS

Friday, February 24

Vaughan IMS



Table 2:


Maximum Payloads - allowable content weight:



Container type

Destination Lachine (Pounds)


53' CPPU Refrigerated



53' CPPU Heater



53' CPPU Dry Van



53' CPPU83 Series






40' Marine Dry



Spring Thaw Allowable Axle Weights:


Steer Axle

Drive Axle

Rear Axle










CP Dray Restrictions

CP will not move any containers with a payload in excess of the Government of Quebec spring thaw weight restrictions on CP chassis (Triaxles and Tandems). On all overweight shipments, the payer of freight is responsible for securing their own dray vendor and chassis equipment to move overweight containers to and from CP’s Lachine ramp.


Should the payer of freight request CP assistance to support movement of overweight load from Lachine terminal, CP may arrange for use of a quad axle chassis. Quad axle chassis use fee as per Tariff 3 is $600 per unit, per day or part thereof. This fee applies from the time the chassis leaves the terminal until it is returned to Lachine. Please refer to CP’s Tariff 3 for all ancillary charges or click here. The overweight arrangements will be done after receiving written confirmation that the payer understands and accepts the charges. Only live offload deliveries will be permitted.


Shipments moving to/from Lachine IMS, destined for Eastern Ontario


Please click here to refer to CP’s Domestic Dray tariff 7551 for a complete list of Ontario cities serviced by Lachine IMS which are subject to spring thaw weight restrictions.

This broadcast is intended for Intermodal customers shipping to Quebec, (excludes International marine traffic). If you have difficulty reading this email, click here to log into Customer Station and view it there.


Service Plan (22, 25, 62, & 65)


CP will not load any overweight containers on CP chassis (Triaxles and Tandems) as per the Government of Quebec spring thaw weight restrictions after CP’s spring thaw start date of February 28, 2023. When booking a load as Door-to-Ramp or Ramp-to-Ramp, the payer of freight is responsible for securing their own dray vendor and chassis equipment at destination Lachine IMS ramp.


Please be guided accordingly.





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