Spring weight restrictions on all provincial roads will begin on Feb. 29, starting at 12:01 a.m. Heavy commercial vehicles will not be allowed to travel on specified roads throughout the province. The weight restrictions on heavy trucks are necessary during the spring thaw to help protect roads that are weakened by mild and wet weather. The Department of Transportation and Infrastructure Renewal monitors air and road temperatures, and works closely with the trucking industry and Environment Canada to determine the date that best protects the province’s road surfaces. The department monitors conditions throughout spring so roads can be opened or closed as needed. A complete list of restricted and exempt roads will be posted on the department’s website as soon as it becomes available.