BC Winter Tire Rules: October 1, 2026 to April 30, 2027

Key dates for winter 2026–2027

The dates are the same every year and do not depend on the weather: an early snowfall in September does not start the rule sooner, and a mild April does not end it early. Separately, the province can restrict travel on a highway at any time of year when road conditions call for it.

Where the rule applies

BC does not require winter tires province-wide. The requirement applies on designated highways marked with regulatory signs, which cover most routes through the Interior, the North and the mountain passes. If you pass a winter tire sign between October 1 and the end date, your vehicle must comply from that point.

Because the coast has milder winters, many routes in the Lower Mainland and on southeastern Vancouver Island are exempt, and plenty of drivers there use all-season M+S tires all year. There are exceptions close to the cities: the Malahat, north of Victoria, requires winter tires. If your trip leaves Greater Vancouver or Greater Victoria, assume the rule applies and check the province's route maps.

Municipalities and private roads, such as access roads to ski hills, can set their own rules on winter tires, chains or traction devices, which may be stricter than the provincial ones.

Which tires count as winter tires

BC accepts two markings on the sidewall, as long as the tire has at least 3.5 mm of tread:

The legal minimum is two matching winter tires on the primary drive axle, even on a four-wheel-drive vehicle. The province recommends four winter tires evenly matched in tread type and depth. Carrying chains does not make summer tires legal: chains on summer tires are not an acceptable substitute on signed highways for passenger vehicles.

This is the main difference from Quebec, where only the snowflake symbol counts and all four tires must comply. A Quebec-legal car meets BC's rule; a BC car on M+S tires does not meet Quebec's (see Quebec's winter tire law).

Studded tires

Studded tires may be used on BC highways only from October 1 to April 30, the same window as the winter tire requirement. The studs must not stick out more than 2 mm from the tread, and if the front tires are studded the rear tires must be studded as well. Using studded tires outside the period can lead to a fine.

Fines and enforcement

Police, ministry staff and Commercial Vehicle Safety and Enforcement officers can enforce the rule. Besides a ticket, a driver whose vehicle is not properly equipped may be turned back and not allowed to continue on the route. Commercial Vehicle Safety and Enforcement focuses on trucks and chains in winter but can also ticket drivers of private cars and trucks.

Trucks and commercial vehicles

• 5,000 kg to 11,794 kg licensed gross vehicle weight: must carry chains or acceptable traction devices, unless the vehicle is on winter-rated tires (three-peak snowflake or M+S).
• 11,794 kg and over: must carry steel chains on most major highways.
• Commercial drivers travelling outside Greater Vancouver and Greater Victoria in winter are expected to carry chains, and must use the chain-up areas when the signs say chains are required.

The type, number and placement of chains depend on the vehicle configuration; the province publishes diagrams for each.

Visitors, rentals and motorcycles

Out-of-province drivers must follow BC's requirements on BC highways; an Alberta or Washington licence plate is not an exemption. Rental cars in BC usually come on M+S tires, which meet the minimum. If you are heading over a mountain pass, the province suggests asking the rental company for tires with the three-peak snowflake symbol.

Motorcycles are exempt from the winter tire and chain requirement, but the province advises riders not to travel when there is snow, slush or ice on the road.

Before you drive a mountain pass

• Check the tread. Measure it: 3.5 mm is the legal minimum for winter tires, and a worn M+S tire may fall below it well before it looks bald.
• Check road conditions and closures on DriveBC before you leave; chain-up orders and closures can change within hours.
• Carry chains or traction devices even in a passenger car if you are crossing high passes. They supplement winter tires; they do not replace them.
• Mind the time zone. The East Kootenay (Cranbrook, Fernie, Invermere) keeps Alberta's clock, one hour ahead of the rest of BC, so a winter drive through the Rockies can change your clock; see BC's permanent daylight time.

Common mistakes

• Thinking the rule starts with the first snow. It starts on October 1, rain or shine.
• Changing back on April 1. Only some lower-elevation routes end on March 31; mountain passes stay covered until April 30.
• Relying on chains with summer tires. For a passenger vehicle that is not legal on signed routes.
• Assuming Vancouver rules apply everywhere. No winter tires needed in the city does not mean none are needed an hour away.
• Leaving studs on in May. Studded tires are only legal until April 30.