What is the minimum tread depth required for commercial vehicle tires in Ontario?

In Ontario, the minimum tread depth required for commercial vehicle tires is indeed 4/32 of an inch. This standard is in place to ensure that tires maintain adequate traction, especially in wet conditions, which is critical for safety in commercial transportation. Tires with insufficient tread depth can significantly increase stopping distances and reduce vehicle control, particularly under adverse weather conditions.

Meeting the 4/32 of an inch requirement helps to ensure that a vehicle can grip the road effectively, reducing the risk of skidding or hydroplaning. This regulation is part of broader safety standards aimed at protecting both the driver and other road users.

While the other options propose greater or lesser depths, they do not meet the regulatory threshold set out for commercial tires in Ontario. Thus, understanding this minimum requirement is essential for ensuring compliance and safety in vehicle operation.