What do these strange stop signs actually mean?

Stop signs with three black circles aren’t a common sight in Australia, but here’s what to do when you encounter one.Australian roads feature plenty of road signs with surprising meanings, but one that continues to baffle motorists is the red stop sign with three black dots.Predominantly used in New South Wales, these look just like regular red stop signs, but the word ‘STOP’ is obscured by three black circles arranged in the same layout as a set of traffic lights.
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