The city engineer shall place and maintain traffic control signs, signals, and devices when and as required under the traffic title to make effective the provisions of this title and may place and maintain such additional traffic control devices as he may deem necessary to regulate traffic under the traffic title or under state law, or to guide or warn traffic.
(Ord. 882 Art. 3 § 1, 1969; Prior code § 9.22.010)
All signs and signals required under this chapter for a particular purpose shall as 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. 882 Art. 3 § 2, 1969; Prior code § 9.22.020)
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. 882 Art. 3 § 3, 1969; Prior code § 9.22.030)
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. 882 Art. 3 § 4, 1969; Prior code § 9.22.040)
A. 
No person shall place, maintain, or display upon or in view of any highway any unauthorized sign, signal, marking or device which is an imitation of or resembles an official traffic control device or railroad sign or signal, or which attempts to direct the movement of traffic, or which hides from view or interferes with the effectiveness of any official traffic control device or any railroad sign or signal.
B. 
No person shall place or maintain nor shall any public authority permit upon any highway any traffic sign or signal bearing thereon any commercial advertising.
C. 
This section shall not prohibit the erection upon private property adjacent to highways of signs giving useful directional information and of a type that cannot be mistaken for official signs.
D. 
Every such prohibited sign, signal or marking is declared to be a public nuisance and the authority having jurisdiction over the highway is empowered to remove or cause it to be removed without notice.
(Ord. 882 Art. 3 § 5, 1969; Prior code § 9.22.050)
No person shall without lawful authority attempt to or in fact alter, deface, injure, knock down, or remove any official traffic control device or any railroad sign or signal or any inscription, shield or insignia thereon, or any other part thereof.
(Ord. 882 Art. 3 § 6, 1969; Prior code § 9.22.060)
The city traffic engineer is authorized:
A. 
To designate and maintain, 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.
(Ord. 882 Art. 3 § 7, 1969; Prior code § 9.22.070)
A. 
The city engineer is authorized to mark traffic lanes upon the roadway of any street or highway where a regular alignment of traffic is necessary.
B. 
Where traffic lanes have been marked, it is unlawful for the operator of any vehicle to fail or refuse to keep the vehicle within the boundaries of any such lane except when lawfully passing another vehicle or preparatory to making a lawful turning movement.
(Ord. 882 Art. 3 § 8, 1969; Prior code § 9.22.080)