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Thursday July 3, 2008 11:49 am

NHTSA Tests Illusional Speed Bumps


Posted by Sheila Franklin Categories: Science, Transportation


Speed BumpsThe National Highway Traffic Safety Administration is testing a fake speed bump to see if drivers will slow down. The optical illusion looks like a 3-D pyramid when seen from a distance. The first experiment in Phoenix seemed to work until drivers realized that there were no barriers. This time the NHTSA will run a larger test in a Philadelphia residential area, hoping that they will reduce pedestrian accidents. The markers only cost $60.00 to $80.00 apiece as opposed to real speed bumps which can run $1,000.00 to $1,500.00. At least they are acting reasonably about the devices that they realize will probably have only the same effect as flashing lights.


Read More | CNN

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