(1) The managing authority may close any road in any public reserve by (a) erecting a barrier; or(b) displaying a sign or notice.(2) Unless an authority is granted under Division 5, a person must not drive a vehicle on a road in any public reserve if that road is closed.Penalty: Fine not exceeding 5 penalty units.(3) Subregulation (2) does not apply to a vehicle that is a bicycle being driven on a road closed under subregulation (1)(a) .