Operations or movements which are permissible only under the provisions of a special permit under the provisions of §§ 11.16.040 through 11.16.180 shall be made by a pilot car or truck carrying approved and appropriate warning devices, including signs, flags and lights. Such warning devices as are required by the Director of Public Works shall be deemed appropriate for this purpose.
('86 Code, § 11.16.150) (Ord. 3103, passed - - ; Am. Ord. 3732, passed - - )