Alphanumeric route marker used in New South Wales
<a href="https://en.wikipedia.org/wiki/Roads_and_Maritime_Services" class="extiw" title="en:Roads and Maritime Services">Roads and Maritime Services</a> (NSW RMS)
Design approximated from many publicly available images, e.g. <a rel="nofollow" class="external free" href="https://www.rms.nsw.gov.au/trafficinformation/downloads/ttd_2020-01.pdf">https://www.rms.nsw.gov.au/trafficinformation/downloads/ttd_2020-01.pdf</a>