Service exempt from traffic laws in cases of emergency

Notwithstanding the provisions of any other law, it shall be lawful for officers of the Service in cases of emergency while on public roads to drive motor vehicles and fire equipment of the Service in excess of the prescribed maximum speed limits, or opposite to the direction of the normal flow of traffic, or in contravention of electric or other traffic signals, including traffic lights, Provided that while doing so vehicles used by the Service shall have on sirens and warning lights to warn members of the public and other road users to move off the road and give way to such vehicles of the Service. 22