Australia Disability Standards for Accessible Public Transport 2002 16: Symbols: the international symbols of access and for deafness, in the forms in clauses 5.2.1 and 5.2.2 of AS 1428.1 (2021) (colour optional), identify access paths and accessible facilities and boarding points, at least 60 mm high and long on fixed signs and sized for the viewing distance, with directional arrows and words or pictograms to accessible facilities; ISO 7001 (2007) public information symbols used; the access symbol on the front of accessible buses and at accessible doors with the number of allocated spaces, and inside and outside accessible doors on ferries, trains, trams and light rail

What does 16 require?

Both the international symbol of access and the international symbol for deafness, in forms satisfying paragraphs 5.2.1(a), (b) and (d) and 5.2.2(a), (b) and (d) of AS 1428.1 (2021) (the colour paragraphs are optional), must be used to identify access paths and accessible facilities and boarding points; on a fixed sign the symbol must be sized to be seen from the distance at which it will be sought and be at least 60 mm high and long. The graphical public information symbols in ISO 7001 (2007) must be used. The access symbol must incorporate directional arrows and words or, where possible, pictograms directing passengers to accessible facilities such as toilets. It must be clearly visible on the front of an accessible bus and outside its accessible doors with a numeral showing the number of allocated spaces, and inside and outside accessible doors on ferries, trains, trams and light rail.