Speed bumps design flattens self for slow drivers
If it sometimes seems more comfortable to accelerate gently into a speed bump than to grind over it at 1MPH, you wouldn't be alone. Jae-yun Kim & Jong-Su Lee invented a collapsible speed bump that flattens automatically for slow drivers, taking the rough out of responsible driving.
"Encouraging drivers to retain a constant slow speed will reduce the amount of stops and starts made..." they told Chris Burns of Yanko Design. "It is hoped that this retractable speed hump would therefore have positive effects on energy consumption and pollution.”
Speed Bumps That Flatten for Slow Speeds
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