Heavy vehicle gazette notices, operation information and approved maps are available on this page.In South Australia it is a legal requirement that drivers and operators of RAVs carry and comply with the appropriate gazette notice or apply for an oversize and overmass heavy vehicle permit.Operation of Restricted Access Vehicles not covered by a current Gazette Notice must be covered by an oversize and overmass heavy vehicle permit.Approved route maps for the most common RAVs are available on the RAVnet Online Map system. All approved RAV route networks will be progressively transferred to the RAVnet system.