It shall be the duty of the officers of the police department, and such officers as are assigned by the chief of police, to enforce all traffic laws of this city and all of the state vehicle laws applicable to traffic in this city.
(Prior code § 6121)
Parking citations or notices of violations, related to charging violations of local or Vehicle Code regulations governing the parking or standing of vehicles, may be issued by any peace officer, by any other employee or agent of the police department or of the city who is duly authorized by the chief of police so to do, by any other person specifically so authorized by some other provision of law, and by any other person specially authorized by the chief of police in writing so to do. Whenever the chief of police delegates such authority to persons other than peace officers, he shall endeavor to see that each such person is adequately instructed regarding the provisions of the parking regulations to be enforced, and the evidentiary prerequisites to proper prosecution for violations thereof. He shall further provide such persons with the same forms of citations or notices of violations as are utilized for the purpose by officers of the police department. Any such persons shall be appropriately instructed to deposit executed citations or notices with the police department for filing with the court, after review for legal sufficiency.
(Ord. 967 § 1, 1974)
Officers of the police department or such officers as are assigned by the chief of police are authorized to direct all traffic by voice, hand or other signal in conformance with traffic laws, provided that in the event of a fire or other emergency or to expedite traffic or to safeguard pedestrians, officers of the police department may direct traffic as conditions may require, notwithstanding the provisions of the traffic laws.
(Prior code § 6121.1)
Officers of the fire department when at the scene of a fire or when, in the course of their duties, they are protecting personnel or equipment of the fire department, may direct or assist the police in directing traffic. Members of the city's survey crew, when in the course of their duties surveying the city's streets and rights-of-way, may direct or assist the police in directing traffic.
(Prior code § 6121.2)
No person shall wilfully fail or refuse to comply with any lawful order of a police officer or fire department official when directing traffic.
(Prior code § 6122)
It is unlawful for any person to stand upon any street, sidewalk or other public way open for pedestrian travel, or otherwise occupy any portion thereof in such a manner as to annoy or molest any pedestrian thereon, or so as to obstruct or unreasonably interfere with the free passage of pedestrians, motor vehicles, or other modes of travel.
(Prior code § 6123; Ord. 1847 § 1, 2014)
Every person riding a bicycle or riding or driving an animal upon a highway shall be granted all of the rights, and shall be subject to all of the duties applicable to the driver of a vehicle by this title except those provisions which by their very nature can have no application.
(Prior code § 6124)
No person other than an officer of the police department or a person deputized by the chief of police or person authorized by a police officer or other city personnel expressly authorized by this chapter, shall direct or attempt to direct traffic by voice, hand or other signal except that persons may operate when and as herein provided any mechanical pushbutton signal erected by order of the city traffic engineer.
(Prior code § 6125)
The provisions of this title shall apply to the driver of any vehicle owned by or used in the service of the United States Government, this state, or any county or city, and it is unlawful for any said driver to violate any of the provisions of this title except as otherwise permitted in this chapter or by the Vehicle Code.
(Prior code § 6126)
(a) 
The provisions of this title regulating the operation, parking and standing of vehicles shall not apply to any vehicle of the police or fire departments, or other city vehicles, properly equipped to qualify as emergency vehicles, any public ambulance or any public utility vehicle or any private ambulance, which public utility vehicle or private ambulance has qualified as an authorized emergency vehicle, when any vehicle mentioned in this section is operated in the manner specified in the Vehicle Code in response to any emergency call.
(b) 
The foregoing exemptions shall not, however, protect the driver of any such vehicle from the consequences of his wilful disregard of the safety of others.
(c) 
The provisions of this title regulating the parking or standing of vehicles shall not apply to any vehicle of a city department or public utility vehicle necessarily in use for construction or repair work, or any vehicle owned by the United States while in use for the collection, transportation or delivery of United States mail.
(Prior code §§ 6127— 6127.2)
The driver of a vehicle or the person in charge of any animal involved in any accident resulting in damage to any property publicly owned or owned by a public utility, including but not limited to any fire hydrant, ornamental lighting post, telephone pole, electric light or power pole, or resulting in damage to any ornamental shade tree, traffic control device or other property of a like nature located in or along any street, shall within twenty-four hours after such accident make a written report of such accident to the police department of this city.
(Prior code § 6128)
Every such report shall state the time when and the place where the accident took place, the name and address of the person owning and of the person driving or in charge of such vehicle or animal, the license number of every such vehicle, and shall briefly describe the property damaged in such accident.
(Prior code § 6128.1)
A driver involved in an accident shall not be subject to the requirements or penalties of Sections 12.12.100 and 12.12.110 if and during the time such driver is physically incapable of making a report but in such event said driver shall make a report as required above within twenty-four hours after regaining ability to make such report.
(Prior code § 6128.2)