Sec. 20-17. Same -- unauthorized persons prohibited; exception.
This section is included in your selections.
No persons other than an officer of the Police Department or member of the Fire Department or a person authorized by the Chief of Police or a person authorized by the law shall direct or attempt to direct traffic by voice, hand or other signal; except, that persons may operate when and as provided in this Chapter any mechanical pushbutton signal erected by order of the City Traffic Engineer.