(A) No locomotive or train shall be operated at a rate of speed within the limits of the city in excess of 30 mph.
(B) Warnings of the approach of the locomotives or trains to any and all street crossings within the city shall at all times be given by ringing a bell or sounding a whistle at a distance of not less than 300 feet before the entering upon any street crossing by the locomotive or train.
(1981 Code, § 16-16) Penalty, see § 130.999