Slow Down As the driver approaches, this 2-D optical illusion painted on the pavement comes into focus, appearing in 3-D and reminding drivers to slow down. From Popular Science:
Civil authorities around the world have tried all kinds of tricks to get drivers to slow down: speed bumps, rumble strips, flashing lights, the decoy police cruiser, and of course the good old-fashioned speed trap. The British Columbia Automobile Association Traffic Safety Foundation is taking a different tack: scaring the living hell out of drivers. In an effort to brusquely remind drivers of the consequences of wanton acceleration, they’re painting an elongated image of a child chasing a ball into the street in 2-D on the pavement in such a way that it appears three-dimensional.
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