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The last post here reviewed a new study on radar speed displays – one of the most comprehensive studies of its kind to date. The city of Bellevue Washington not only reported on their experience regarding the effectiveness of these traffic calming devices but offered some first-hand advice on what to look for when purchasing them [...]

 
Perhaps the most comprehensive field study on the effectiveness of radar speed signs was just conducted by the city of Bellevue, Washington. Results were so overwhelmingly positive that the city rewrote their own rulebook on when and how to use these traffic-calming displays.
Prior to the study, Bellevue city officials viewed radar speedcheck signs as a secondary fallback option for applications where [...]