This Interim Supplement describes and specifies the use of signs and devices included in the Australian Road Rules 2000 which at the time of publication of this Interim Supplement were not included in any other Part of AS 1742. Altered usages of signs and devices covered in other Parts of AS 1742 are included. NOTE: In future editions of this Interim Supplement, signs and devices which have been incorporated into other Parts of the AS 1742 series, as a result of amendments to or revisions of those Parts, will be deleted from this document