A. 
It shall be the duty of any police officer to enforce all traffic laws of this municipality and all of the state vehicle laws.
B. 
Police officers are hereby authorized to direct all traffic by voice, hand or 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, police officers may direct traffic as conditions may require, notwithstanding the provisions of the traffic laws.
C. 
Officers of the Fire Department, when at the scene of a fire, may direct or assist the police in directing traffic thereat or in the immediate vicinity.
It is unlawful and an infraction for any person to do any act forbidden or fail to perform any act required in this chapter.
No person shall willfully fail or refuse to comply with any lawful order or direction of any police officer or Fire Department official.
The provisions of this chapter shall apply to the drivers of all vehicles owned or operated by the United States, this state, or any county, town, district, or any other political subdivision of the state, subject to such specific exceptions as are set forth in this chapter or in the State Vehicle Code.
A. 
The driver of an authorized emergency vehicle, when responding to an emergency call, or when in the pursuit of an actual or suspected violator of the law, or when responding to but not upon returning from a fire alarm, may park or stand irrespective of the provisions of this chapter.
B. 
The foregoing provision shall not relieve the driver of an authorized emergency vehicle from the duty of park or stand with due regard for the safety of all persons, nor shall such provision protect the driver from the consequences of his reckless disregard for the safety of others.
A. 
Every person propelling any pushcart upon a roadway 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 chapter and by the "rules of the road" portion of the State Vehicle Code, except these provisions which by their nature have no application.
B. 
Every person riding an animal or driving an animal-drawn vehicle upon a roadway 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 chapter, except those provisions of this chapter which by their very nature can have no application.
No person upon roller skates or a skateboard or riding in or by means of any coaster, toy vehicle, motorized toy vehicle, or similar device shall go upon any roadway except while crossing a street on a crosswalk, and when so crossing such person shall be granted all of the rights and shall be subject to all of the duties applicable to pedestrians. This section shall not apply upon any street while set aside as a play street as authorized herein.