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These Australian Traffic Signs Were Made to Keep Drivers Awake and Attentive

If there's one way to wake up somebody who's just about to snooze off, it's to hit them with a head-scratching conundrum. Yeah, that's right - nothing gets the blood going more than a thoughtful, thought-provoking question. That is, at least, what the Australian government probably thought when they installed these cool traffic signs. We're not sure how effective they are, but they do make for a cool Instagram picture.

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We do wonder how much these signs actually managed to prevent car accidents stemming from tiredness. We wonder if somebody actually took the time to research this at some point.