It shall be unlawful to operate any vehicle on any street in the village when the gross weight on the surface of the road through any axle of such vehicles exceeds 16,000 pounds. Where lower limits are imposed by law and signs indicating such limitations are posted, it shall be unlawful to operate a vehicle in excess of such weight on such street, except for the purpose of making delivery or picking up a load, in which case such vehicle may be driven on such street for not more than the minimum distance necessary for the purpose.
Penalty, see § 70.999