(A) The driver of any vehicle shall obey the directions of any official traffic-control device applicable thereto and placed in accordance with the traffic ordinances of the city, unless otherwise directed by a police officer, subject to the exceptions granted the driver of an authorized emergency vehicle by this chapter.
(B) No provision of any traffic ordinance of the city 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 an ordinarily observant person.
(C) Whenever a particular section of a traffic ordinance of the city does not state that signs are required, such section shall be effective without signs being placed to give notice thereof.
Statutory reference:
Types of traffic-control devices and installation thereof, see G.S. § 20-169