(A) The driver of every motor vehicle, and any other vehicle shall obey the instructions of any official traffic-control device applicable thereto placed in accordance with the traffic regulations in this traffic code, unless otherwise directed by a police officer, subject to the exceptions granted the driver of an authorized emergency vehicle in this chapter.
(B) No provision of this traffic code 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 without signs being placed to give notice thereof.
(2013 Code, § 17-62) Penalty, see § 70.99