303.02 OBEDIENCE TO TRAFFIC CONTROL DEVICES; OFFICIAL SIGNS TO BE IN PROPER POSITION.
   (a)   The driver of any vehicle shall obey the instructions of any official traffic-control device applicable thereto placed in accordance with the provisions of this article, unless otherwise directed by a traffic or police officer, subject to the exceptions granted the driver of an authorized emergency vehicle in this Code.
    (b)    Any person violating the provisions of this section is guilty of a misdemeanor and, upon conviction thereof, shall be fined not more than one hundred dollars; upon a second conviction within one year thereafter, shall be fined not more than two hundred dollars; and upon a third or subsequent conviction, shall be fined not more than five hundred dollars.
   (c)    No provision of this article for which signs are required shall be enforced against an alleged violator if at the time and place of the alleged violation an official sign is not in proper position and sufficiently legible to be seen by an ordinarily observant person. Whenever a particular section does not state that signs are required, such section shall be effective even though no signs are erected or in place.
   (d)    The driver of any vehicle shall obey the traffic-control instructions of any law enforcement officer or persons authorized by the Mayor or Chief of Police, to operate traffic- control devices, act as flagmen or operate authorized vehicles engaged in work at or near the site of street or highway construction maintenance work, for the purpose of regulating, warning or guiding traffic, subject to the exceptions granted the driver of an authorized emergency vehicle in this article.
    (e)    Any person failing to comply with the requirements of this section is guilty of a misdemeanor and, upon conviction thereof, shall be fined not more than one hundred dollars; upon a second conviction within one year thereafter, shall be fined not more than two hundred dollars; and upon a third or subsequent conviction, shall be fined not more than five hundred dollars. (Ord. 2007-12. Passed 9-17-07.)