How accurate is the speed displayed by an EVOLIS Radar Speed Sign?
The accuracy of the speed displayed on a radar speed sign depends on two main factors: the Doppler antenna itself and the rate at which the speed is refreshed on the display.
The Evolis Radar Speed Sign uses a superior Doppler radar to achieve an accuracy level of 99%. The reliability of the reading is key for a strong traffic calming effect as motorists know they can trust the speed displayed. The accuracy is also essential for generating traffic data reports.