Tank vehicles shall operate on arterial streets only. If other streets must be used, the person or persons operating tank vehicles shall make application to the Director of the Police Department or his representative for the use of local streets. This provision shall not apply to tank vehicles less than thirty-six feet in length. (Code 1962, § 37-33.04; Ord. No. G-4580, § 6, 2004; Ord. No. G-5444, § 3, 2009)