§ 20‑122. Restrictionsas to tire equipment.
(a) No vehicle will beallowed to move on any public highway unless equipped with tires of rubber orother resilient material which depend upon compressed air, for support of aload, except by special permission of the Department of Transportation whichmay grant such special permits upon a showing of necessity. This subsectionshall have no application to the movement of farm vehicles on highways.
(b) No tire on avehicle moved on a highway shall have on its periphery any block, stud, flange,cleat or spike or any other protuberance of any material other than rubberwhich projects beyond the tread of the traction surface of the tire, exceptthat it shall be permissible to use farm machinery with tires having protuberanceswhich will not injure the highway and except, also, that it shall bepermissible to use tire chains of reasonable proportions upon any vehicle whenrequired for safety because of snow, ice or other conditions tending to cause avehicle to slide or skid. It shall be permissible to use upon any vehicle forincreased safety, regular and snow tires with studs which project beyond thetread of the traction surface of the tire not more than one sixteenth of aninch when compressed.
(c) The Department ofTransportation or local authorities in their respective jurisdictions may, intheir discretion, issue special permits authorizing the operation upon ahighway of traction engines or tractors having movable tracks with transversecorrugation upon the periphery of such movable tracks or farm tractors or otherfarm machinery.
(d) It shall not beunlawful to drive farm tractors on dirt roads from farm to farm: Provided, indoing so they do not damage said dirt roads or interfere with traffic. (1937,c. 407, s. 85; 1939, c. 266; 1957, c. 65, s. 11; 1965, c. 435; 1973, c. 507, s.5; 1977, c. 464, s. 34; 1979, c. 515.)