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Dear Customer,


CN has issued following update to the industry:


To all Customers shipping to/from the Province of Quebec. In order to avoid a potential backlog of heavy loads requiring special handling, we are implementing our Spring Weight Restrictions in advance of the Quebec Government notice. We are planning to have all heavy loads arrive prior to the anticipated start of restrictions on March 6, 2023. If the Government of Quebec issues an earlier date, we will adjust accordingly.


Please note that payload weights in equipment to be delivered by CNTL must be reduced per the requirements below for shipments planned to arrive after the start-date noted above.

To assist our customers during this period of reduced payload:


CN will establish a "Latest Shipping Date" where customers may ship at regular payload weights from each terminal (based on the consignee receiving the traffic immediately upon arrival at the destination terminal).

Note, the shipping date will be referred to as the Reservation Date. CN’s online tools can assist in determining the Reservation Date and Trip Plan.

In the event of an overweight load, CN may arrange transloading, or use specialty equipment to deliver the load. Any transloading requirements will be done at the prevailing market rate to be confirmed. Charges for use of quad chassis are as per tariff CN 9100 ($800 premium per delivery). To ensure the specialty equipment is not detained, all deliveries must be live-unloads. The overweight arrangements will be made after receiving written confirmation that the payer understands the charges.

Overweight traffic delayed online, but shipped prior to the "Latest Shipping Date", will be delivered by CN without the application of overweight charges.


The following table shows the "Latest Shipping Date" relative to the start of CN’s Spring Weight Restrictions:

Table 1 – Latest shipping date for deliveries in Quebec’s Zone 1

Traffic origin

Latest shipping date for Spring 2023


24 February


24 February




24 February


17 February


17 February


17 February


17 February


17 February


17 February


24 February


24 February


24 February


24 February

New Orleans

24 February


10 February



The maximum payload handled using CNR equipment during the Spring Weight Restriction period is:

Table 2 – Maximum Payloads and Axle Weights

53ft Dry

49,100 lb

53ft Heat

47,700 lb

53ft Reefer

46,500 lb

40ft Ecotherm

51,300 lb

40ft Dry

52,500 lb

45ft Dry

50,400 lb

Table 3 - Maximum Gross weight

Steer and drive weights cannot exceed


Front single axle

12,000 lb

Tandem axle

34,100 lb

Triple axle

46,300 lb


Please be guided accordingly.





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