The Commissioner of Streets and Public Improvements, with respect to all streets or highways within the municipality except federal and state routes, may prohibit the operation of vehicles on any such street or highway or impose restrictions as to the weight of vehicles to be operated on any such street or highway for a total period of not to exceed 90 days in any one calendar year whenever any such street or highway, by reason of deterioration, rain, snow or other climatic conditions, will be seriously damaged or destroyed unless the use of vehicles thereon is prohibited or the permissible weights thereof reduced. The Commissioner shall erect or cause to be erected and maintained signs designating such prohibition or restriction at each end of that portion of the street or highway affected thereby. The Commissioner, with respect to all streets or highways within the municipality except federal and state routes, may also prohibit the operation of trucks or other commercial vehicles, or may impose limitations as to the weight thereof on designated streets or highways, which prohibitions and limitations shall be designated by appropriate signs placed on such streets or highways.
(625 ILCS 5/15-316) (2000 Code, § 75.01) (Ord. 817, passed 3-5-1973)