The text
No tires on a vehicle moved on a highway shall have on its periphery any block, flange, cleat, or pointed spike or other protuberance of any material other than rubber which projects beyond the tread of the traction surface of the tire, except that it shall be permissible to use tires with flat-headed studs projecting 1/16 inch or less beyond the tread of the traction surface from November 15 to April 1, and except that it shall permissible to use farm machinery with tires having protuberances which will not injure the highway, and except also that it shall be permissible to use tire chains of reasonable proportions upon any vehicle when required for safety because of snow, ice or other conditions tending to cause a vehicle to skid.
(Code 1971, § 22-155)