[1961 Code, § 13.20; Ord. 653]
(A) 
The City Traffic Engineer shall place and maintain or cause to be placed and maintained official traffic control devices when and as required under this title and other traffic ordinances of the city to make effective the provisions of this title and those ordinances.
(B) 
When the Vehicle Code requires, for the effectiveness of any provisions thereof, that traffic control devices by installed to give notice to the public of the application of the law, the City Traffic Engineer is hereby authorized to install or cause to be installed the necessary devices subject to any limitations or restrictions set forth in the law applicable thereto.
(C) 
The City Traffic Engineer may also place and maintain or cause to be placed and maintained additional traffic control devices as he or she may deem necessary to regulate traffic or to guide or warn traffic but he or she shall make the determination only upon the basis of traffic engineering principals and traffic investigations and in accordance with the standards, limitations and rules as may be set forth in this title or other traffic ordinances of the city or as may be determined by ordinance or resolution of the legislative body of the city.
[1961 Code, § 13.21; Ord. 653]
All traffic control signs, signals and devices shall conform to the standards and specifications adopted by the traffic advisory committee consistent with state practices. All signs and signals required or 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.
[1961 Code, § 13.22; Ord. 653]
(A) 
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.
(B) 
When a particular section does not state that official traffic control devices are required, the section shall be effective even though no devices are erected or in place.
[1961 Code, § 13.23; Ord. 653]
(A) 
When official traffic control devices are placed in position approximately conforming to the requirements of this title, those 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 rand purporting to conform to the lawful requirements pertaining to those devices shall be presumed to comply with the requirements of this title, unless the contrary shall be established by competent evidence.
[1961 Code, § 13.24; Ord. 653]
When any resolution of the city designates those locations to be controlled by traffic signals, the City Traffic Engineer is directed to install and maintain official traffic signals at those intersections and other places where traffic conditions are such as to require that the flow of traffic be alternately interrupted and released in order to prevent or relieve traffic congestion or to protect life or property from exceptional hazard.
[1961 Code, § 13.25; Ord. 653]
The City Traffic Engineer is authorized to mark center lines and lane lines upon the surface of the roadway to indicate the course to be traveled by vehicles and may place signs temporarily designating lanes to be used by traffic moving in a particular direction, regardless of the center line of the highway.
[1961 Code, § 13.26; Ord. 653]
The City Traffic Engineer is authorized to place and maintain distinctive roadway markings as described in the Vehicle Code on those streets or parts of streets where the volume of traffic or the vertical or other curvature of the roadway renders it hazardous to drive on the left side of the marking or signs and markings. The marking or signs and markings shall have the same effect as similar markings placed by the State Department of Public Works pursuant to provisions of the Vehicle Code.
[1961 Code, § 13.27; Ord. 653]
(A) 
No street shall be closed or partially obstructed or detours established without approval of the City Traffic Engineer.
(B) 
Barriers and signs shall be erected as directed by the City Traffic Engineer and shall be of a type approved by the City Traffic Engineer.
(C) 
In case of emergency a public utility or department of the city shall be exempt from the provisions of this section.
(D) 
The driver of any vehicle shall obey the instructions of any barricades or devices erected:
(1) 
Pursuant to the provisions of any ordinance of the city;
(2) 
By any public utility;
(3) 
By any department of the city; or,
(4) 
By any other person pursuant to law or contract with the city.
(E) 
No unauthorized person shall move or alter the position of any such barrier or device.
[1961 Code, § 13.28; Ord. 653]
The City Traffic Engineer is hereby authorized:
(A) 
To designate and maintain, by appropriate devices, marks or lines upon the surface of the roadway, crosswalks at intersections where, in his or her opinion, there is particular danger to pedestrians crossing the roadway and at such other places as he or she may deem necessary.
(B) 
To establish safety zones of the kind and character and at the places as he or she may deem necessary for the protection of pedestrians.
[1961 Code, § 13.29; Ord. 653]
No person, unless authorized by the City Traffic Engineer, shall paint any street or curb surface, including painting of house numbers.
[1961 Code, § 13.29-1; Ord. 684]
The City Council shall adopt a set of standard traffic control devices warrants to be used as a basis to evaluate the need for traffic control devices to be placed and/or installed in or upon the city streets.
[1961 Code, § 13.30; Ord. 653]
The City Traffic Engineer is authorized to remove, relocate or discontinue the operation of any traffic control device not specifically required by state law or this title when he or she shall determine in any particular case that the conditions which warranted or required the installation no longer exist or obtain.
[1961 Code, § 13.31; Ord. 653]
The City Traffic Engineer shall determine the hours and days during which any traffic control device shall be in operation or effect, except in those cases where the hours or days are specified in this title.
[1961 Code, § 13.46; Ord. 653]
No person shall ride or drive any animal or any vehicle over or across any newly made pavement or freshly painted marking in any street when a barrier or sign is in place warning persons not to drive over or across the pavement or marking or when a sign is in place stating the street or any portion thereof is closed.