POL Government Elected Officials Auditor Mary Hull Caballero Charter, Code & Policies City Code & Charter Online Code & Charter Title 16 Vehicles and Tra Chapter 16.10 Administrative Provisions
16.10.050 Compliance Required.

It is unlawful for a pedestrian or the operator of any vehicle to disobey the instructions of a traffic control device placed in accordance with the provisions of this Title, unless otherwise directed by an authorized officer.

It is unlawful for any person to refuse or fail to comply with any lawful order, signal, or the direction of any officer displaying a badge with the legal authority to direct, control, or regulate traffic.