1.3.6.1.4.1.61513Turns out you can just like, download the app used to make QLD road signs
https://www.tmr.qld.gov.au/business-industry/Road-systems-and-engineering/Software/TraSiCAD
JP@xssfox I note that the symbol library is available on that page. It's all Windows Metafile .wmf files, but it includes such symbols as Cassowary_black.wmf, Dugong_brown.wmf, and No banana plant.wmf
abrasive