South Australian Consolidated Acts South Australian Consolidated Acts22—Proof of lawful installation etc of traffic control devices
In proceedings for an offence against this Act, other than an offence against
section 21(1)(a), commenced on the complaint of a police officer or
otherwise on behalf of the Crown, or on the complaint of an officer or
employee of a council, a traffic control device proved to have been on, above
or near a road will be conclusively presumed to have been lawfully installed
or displayed there under this Act.