Most of us don't give a second thought to the signs that line our roads when driving.
Like the act of driving itself, pure muscle memory and habit means we understand immediately what most road signs mean.
But what about the unusual ones that are rarely seen beyond a driving theory test?
Would you be able to confidently distinguish between a two-lanes crossover (back) sign versus a two-lanes crossover (out) one?
Or what about identifying a contra flow bus lane sign?
To pass your theory test, you would need to correctly answer 35 out of 40 questions.
Here we have put together just 10 questions to get you thinking, whether you're a qualified driver or still haven't taken your test.
Check out how well you know Ireland's road signs and what they mean here:
