Ontario
Vehicle Weights and Dimensions — For Safe, Productive and Infrastructure-friendly Vehicles
Part III — Preconditions for Designated Vehicles or Designated Combinations
11. Any differential locks on a tri-drive axle of any designated vehicle or vehicle combination must remain unlocked while the vehicle or combination is operated on a highway. O. Reg. 457/10, s. 11.
© King's Printer for Ontario, 2012-2021. The text is not the
official version of Ontario's Highway Traffic Act or associated
regulations. For official text, refer to www.ontario.ca/laws.