['Size and Weight Limits']
['Weights and dimensions']
03/25/2026
...
Ontario
Highway Traffic Act
Part VIII: Weight
(1) Subject to section 110, no vehicle,
(a) equipped with tires of less than 150 millimetres in width where the weight upon any millimetre in the width of the tire exceeds nine kilograms; or
(b) equipped with tires of 150 millimetres or more in width where the weight upon any millimetre in the width of the tire exceeds eleven kilograms,
shall be operated on a highway. R.S.O. 1990, c. H.8, s. 115 (1).
How tire width ascertained
(2) For the purpose of this section, where a tire width has been marked thereon by the manufacturer, the width of the tire shall be deemed to be as so marked. R.S.O. 1990, c. H.8, s. 115 (2).
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© 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.
['Size and Weight Limits']
['Weights and dimensions']
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