69. (1) All self-propelled vehicles other than traction engines, and all trailers having a gross weight in excess of 1,820 kilograms, shall be equipped with rubber tires or tires of some composition equally resilient, and a vehicle shall not be operated on any highway with a tire that is broken or defective in such a manner as to cause additional impact or pounding on or cutting of the highway, and in the case of motor vehicles and trailers equipped with solid rubber tires there shall be at least 31.5 millimetres of rubber between the wheel rim and the roadway. R.S.O. 1990, c. H.8, s. 69 (1).
Flanges and clamps
(2) No vehicle shall be operated or object moved over or upon any highway with any flange, rib, clamp or other device attached to its wheels, or made a part thereof, which will injure the highway. R.S.O. 1990, c. H.8, s. 69 (2).
(3) No person driving a vehicle drawn by a horse or other animal and used for carrying articles of burden, goods, wares or merchandise shall when descending a grade on a highway lock any wheel of such vehicle except with the device commonly known as a lock-shoe. R.S.O. 1990, c. H.8, s. 69 (3).
"The hardest thing to explain is the obvious"
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