‘Smart’ road hump uses rubber tubing

A “smart” road hump based on a rubber fabrication will be demonstrated to emergency services and other stakeholders on 2 and 3 March, in the UK.

The Transcalm hump relies on a reinforced rubber tube and air at atmospheric pressure. When a tyre runs over the tube, the air within can escape through an adjustable valve, allowing a smooth ride. However, the valve is set so that when the tyre is travelling above the speed limit, the valve remains shut, creating a hard bump in…

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