A Guide to Ontario’s Safe, Productive & Infrastructure-Friendly (SPIF) Vehicles Program
According to the Ontario Ministry of Transportation, “SPIF [Safe, Productive & Infrastructure-Friendly] vehicles are designed to be as productive as possible, while ensuring that their performance characteristics meet or exceed national guidelines for minimizing heavy-truck damage to roads and bridges.”
Included below is a summary of the SPIF Information from Regulation 413/05, as well as specific Ontario Highway Traffic Act (HTA) gross weight tables.
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