The traffic authority of the city shall have placed and maintained official traffic control signs, signals, and devices when and as required under the traffic ordinances of this city to make effective the provisions of said ordinances, and may have placed and maintained such additional traffic control signs, signals, and devices as he may deem necessary to regulate traffic under the traffic ordinances of this city or under state law or regulations or to guide or warn traffic.
All traffic control signs, signals, and devices established by public authority and in place on December 31, 1962, are approved, subject to change as provided in this title.
(Code 1962 § 19-12)
All traffic control signs, signals, and devices shall conform to specifications approved by the state Department of Highways. All signs and signals required hereunder 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 regulations or this title shall be official traffic control devices.
(Code 1962 § 19-13; Ord. 750 § 1, 1971)
The traffic authority of the city is hereby authorized:
(a) 
To have designated and maintained, by appropriate devices, marks, or lines upon the surface of the roadway, crosswalks at intersections where in his opinion there is particular danger to pedestrians crossing the roadway, and at such other places as he may deem necessary;
(b) 
To establish safety zones of such kind and character and at such places as he may deem necessary for the protection of pedestrians.
(Formerly 10.16.120; Code 1962 § 19-22; Ord. 1760 § 17, 2014)
The traffic authority of the city is authorized to have marked traffic lanes upon the roadway of any street or highway where a regular alignment of traffic is deemed necessary.
(Formerly 10.16.130; Code 1962 § 19-23; Ord. 1760 § 17, 2014)