British Columbia Highway 5 — the Coquihalla Highway — has a reputation among commercial drivers that is earned every winter. The 315-kilometre corridor from Hope to Kamloops climbs to 1,244 metres (4,081 feet) at the Coquihalla Summit, receives some of the heaviest snowfall of any highway in Canada, and closes multiple times each winter for avalanche control or storm-related hazards.
It is also the most important freight artery between the Port of Vancouver and the BC Interior. When the Coquihalla shuts down, the supply chain for much of western Canada feels it.
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