Australia Rail Crossing sign (W7-3) which is no longer being installed and signs still at level crossings are slowly being replaced (1974-2009).
<a rel="nofollow" class="external text" href="http://www.rta.nsw.gov.au/cgi-bin/index.cgi?fuseaction=trafficsigns.show&amp;id=w7/w7-3">Roads and Maritime Services</a>
2012-11-13
Own work based on: <a href="//commons.wikimedia.org/wiki/File:Warning_triangle_(W8-1)_and_rail_crossing_(W7-3)_signs_near_the_level_crossing_at_Gate_Street_in_Junee.jpg" title="File:Warning triangle (W8-1) and rail crossing (W7-3) signs near the level crossing at Gate Street in Junee.jpg">Warning triangle (W8-1) and rail crossing (W7-3) signs near the level crossing at Gate Street in Junee.jpg</a> <i>by</i> <a href="//commons.wikimedia.org/wiki/User:Bidgee" title="User:Bidgee">Bidgee</a>