Optical Illusions To Replace Speed Bumps/Humps

“Drive CarePhilly” hopes to lower the driving speeds in the streets around Philadelphia, Pennsylvania. 3D images, pretending to be road hurdles, will be printed on the streets in an attempt not only to make motorists pay some attention to the speed limits but also avoid the car damages that the usual speed bumps cause. Other types of speed reducing methods are the
Speed cushions, chicanes, rumble strips and rubber speed humps (Inflatable when speeding vehicles approach).
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