Attention: Intermodal customers shipping to Quebec
The Quebec Ministry of Transportation has advised that the spring thaw in Zone 1 will end on Friday, May 15th, 2026, at 23:59 EST.
Thaw zone details can be found at – Quebec – Ministère des Transports et de la Mobilité durable
Bison will begin allowing an increase in payload weights for Inbound loads from Western Canada, the USA & Mexico for shipments to Zone 1, based on the following ingate dates.
| Traffic origin | First shipping date |
| Vancouver IMS | Tuesday May 12 |
| Edmonton IMS | Tuesday May 12 |
| Calgary IMS | Tuesday May 12 |
| Regina IMS | Wednesday May 13 |
| Winnipeg IMS | Wednesday May 13 |
| Bensenville IMS | Tuesday May 12 |
| Wylie | Tuesday May 12 |
| Laredo | Tuesday May 12 |
| Mexico | Monday May 11 |
Approved Weights:
Zone 2 will end on Friday, May 22, 2026, at 23:59 EST. Zone 3 will end on Friday, May 29, 2026, at 23:59 EST. If shipping to either of those zones, please add 3 weeks to the timelines above.
Transport Quebec may change these dates at its discretion, depending on changes in weather conditions.
If you have any questions, please do not hesitate to contact your Customer Service Team.
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