Monday, April 6, 2015

Speed bump without a hump

Many neighborhoods have speed bumps or humps to slow down traffic. While it works as expected, vehicles going through these bumps will suffer more wear and tear on the suspension system, not to mention the reduced comfort to the people in the vehicles. More seriously, the up-and-down movement may cause additional injury to the patient in an ambulance going across.

I think we should build these speed reducing facility so that the vehicle must slow down but does not need to go up and down. One way to solve the problem is to create narrow slots along the street so the driver must slow down and align the wheels with the slots, to avoid bumping onto the raised slots. (Bumping onto them won't cause damage, just reduced comfort.) The slots can also be made slightly slanting toward one side of the street, forcing the vehicle to turn a little to avoid the raised humps of the slots. In either case, the wheels of the vehicle are always on the same level as before. In the long run, the suspension system will have a longer lifetime and passenger comfort is always preserved.

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