Specifies the forms and dimensions of a range of alphabet series, including characters for letters, numerals and text symbols to be used on standard road signs specified in AS1743 and AS1742 (series), and, in general, on any other signs used to convey text information to drivers about the driving task.
AS 1744:2015 history
2015AS 1744:2015 Standard alphabets for road signs
1975AS 1744:1975 Forms of letters and numerals for road signs (known as Standard alphabets for road signs)