(1) Whenever official traffic-control devices are placed in position
approximately conforming to the requirements of this chapter, such devices
shall be presumed to have been so placed by the official act or direction
of lawful authority, unless the contrary shall be established by competent
evidence.
(2) Any official traffic-control devices placed pursuant to the provisions
of this title and purporting to conform to lawful requirements pertaining
to such devices, shall be presumed to comply with the requirements of
this chapter, unless the contrary shall be established by competent
evidence. (Ord. 95-19, 9/12/95; Ord. 92-5, 9/1/92)