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Speed limit signs could swing down on pivoted arms, so they are at the eye level of oncoming drivers. The sign could come down a fixed distance ahead of the driver, or immediately after the preceding vehicle, whichever is less.
The sign retracts a moment before the time at which the vehicle's windscreen
would have reached the sign had the vehicle been travelling at the limit. A metal tooth mounted at the bottom of the sign protects it from being hit by the intact windscreen of speeding vehicles.
[link]
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Seriously, a spritz of murky water and a sudden loud honk
could do
the trick. |
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Look up from the mobile, get shocked by a road sign, lose control and crash through a school. |
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<getting the obvious joke out the way quickly>passing
aggressive road signs, which tut as you roar past them.
</gtojotwq> |
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These signs will encourage games of 'chicken' with drivers concentrating on driving at a speed such that the sign *just* avoids hitting their windscreen |
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