It being unlawful for any person other than the Traffic Engineer, acting pursuant to an ordinance of the city, to install or cause to be installed any signal, sign, or device purporting to direct the use of the streets or the activities on those streets of pedestrians, vehicles, motor vehicles, or animals, proof, in any prosecution for a violation of this subchapter or any traffic ordinance of the city, that any traffic control device, sign, signal, or marking was actually in place on any street shall constitute prima facie evidence that the same was installed by the Traffic Engineer pursuant to the authority of this section and of the ordinance directing the installation of the device, signal, or marking.
(Ord. 6-76, passed 2-9-1976) Penalty, see § 70.99