No person shall drive any vehicle upon any street in the city with any load or part of a load projecting more than four feet beyond the rear end or front end, or more than two feet beyond the sides of the body or carrying part of said vehicle, unless there be attached to the extreme ends and sides of such projecting load some warning sign or signal plainly discernible to other drivers and clearly indicating the projecting parts of such load.
(Ord. passed - -) Penalty, see § 70.99