(a) It shall hereafter be unlawful for any person to operate or run upon any paved public street in the City of Oak Leaf any vehicle which has on its periphery any block, lug, stud, cleat, ridge, bead or any other protuberance of metal, that shall project more than one fourth of an inch (1/4″) beyond the tread or traction surface of the tire, unless the said wheels are protected by bands, wooden blocks, skids or some sufficient device to protect the street against injury by reason thereof.
(b) Nothing shall herein prevent the use of tractors with cleats on the driving wheels thereof on dirt or unimproved streets, or the use of vehicles actually engaged at the time in construction or repair of streets.