Retracting Speedbump idea

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Uploaded by on Sep 24, 2011

(This video uses captions). A raised plate is lowered by a vehicle's weight but the plate's rate of lowering is limited by the size of a tube through which a fluid must flow out from under it into a reservoir. If a vehicle's speed is lower than the speed limit, the plate should lay flat on the ground, thus not interfering with the vehicle's movement. The more a vehicle is above the speed limit, the higher the plate will still be before it has had time to lower, the less smoothness of ride the vehicle will experience.




The purpose of this idea is to force only those drivers exceeding speed limits having to be concerned over speedbumps. Deployment of speedbumps could be increased, decreasing the need for expensive remote or dangerous onsite speed violation policing.

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Science & Technology

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Uploader Comments (adanieltorres)

  • Hey, I like this idea. Too expensive to be a viable option to normal speed bumps, though, i think.

    Great idea though !!!!

  • @OK55OK55OK Thanks! I'm glad you like it. The cost calculation is not as simple as comparing to normal speed bumps because normal speed bumps cause traffic congestion where there is high traffic due to drivers braking much lower than necessary so as to take care of their vehicles. Normal speed bumps seem to punish the many conservative drivers just to dissuade the aggressive ones. This has a social cost. This may also be a cheaper alternative than police or cameras on highways.

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This video is a response to Frozen Road Sign idea
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