New South Wales Consolidated Acts New South Wales Consolidated Acts(cf Road Transport (Safety and Traffic Management) Act 1999 , s 74)
(1) A police officer may--(a) close any road or road related area to traffic during any temporary obstruction or danger to traffic or for any temporary purpose, and(b) prevent the traffic of any vehicles, persons or animals in or on any road or road related area closed to traffic under paragraph (a) or under the authority of any other Act.
(2) A person must not, without reasonable excuse, fail or refuse to comply with any direction of a police officer given in pursuance of a power conferred by this section.: Maximum penalty--20 penalty units.