Our customers have not observed that motorists start to ignore the Radar Speed Display after driving past them multiple times. On the contrary, the data mostly show higher average speeds when the Speed Sign With Radar has been moved to another location.If, however, you are concerned that motorists will eventually stop paying attention to the Radar Speed Sign, you can:The numerous requests for retrofitting from our customers (more than 30%) remain for us the best proof of the effectiveness of the EVOLIS Vision LED Radar Speed Sign.