The public works director shall place and maintain traffic-control signs, signals and devices when and as required under the traffic ordinances of this city to make effective the provisions of such ordinances, and may place and maintain such additional traffic-control devices as he may deem necessary to regulate traffic under the traffic ordinances of this city or under state law, or to guide or warn traffic.
(Ord. 555 § 2, 1980; Ord. 981 § 5, 1989; Ord. 1033 § 1, 1990; Ord. 1751 § 1 (Exh. A), 2011; Ord. 1859 § 5, 2014)
All traffic-control signals, signs, and traffic-control devices to be erected or maintained upon any city street designated as forming a part of the route of a primary state highway or secondary state highway must be approved by the State Highway Commission prior to their installation. All signs and signals required under this title for a particular purpose shall so far as practicable be uniform as to type and location throughout the city. All traffic-control devices so erected and not inconsistent with the provisions of state law or this title shall be official traffic-control devices.
(Ord. 555 § 3, 1980)
If final approval of any development or subdivision of property is conditioned upon the installation of a traffic-control signal, that signal shall be equipped with the opticom traffic-control system or an equivalent emergency traffic signal preemption system approved by the city, at the sole cost and expense of the developer or subdivider.
(Ord. 960 § 1, 1988)
No provision of this title for which official traffic-control devices are required shall be enforced against an alleged violator if at the time and place of the alleged violation an official device 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 devices are erected or in place.
(Ord. 555 § 4, 1980)
A. 
Whenever official traffic-control devices are placed in position approximately conforming to the requirements of this title, 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.
B. 
Any official traffic-control device placed pursuant to the provisions of this title, and purporting to conform to the lawful requirements pertaining to such devices, shall be presumed to comply with the requirements of this title unless the contrary is established by competent evidence.
(Ord. 555 § 5, 1980)