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48 <br /> <br />Radar Speed Signs <br />Radar speed signs, also known as dynamic speed display/feedback signs, measure the <br />speed of an approaching vehicle using radar, then display the speed back to the driver on <br />an LED sign. These speeds are meant to encourage drivers to slow down as they suggest <br />that speeds may be monitored/recorded. Speed feedback signs are likely to be more <br />effective when combined with other speed management treatments. <br /> <br />Guidance <br />• These are appropriate on most roadways with frequent speed violations, such as <br />school zones, areas where road design encourages speeding (such as at curves), <br />and other areas where drivers tend to speed or should be encouraged to slow down. <br />• Place speed feedback signs behind the curb or edge of roadway with 300 feet of <br />clear sight distance on the approach. <br />• Refer to MUTCD Section 2C.13 for standards and guidance related to design of <br />speed feedback signs and plaques (W13-20 and W13-20aP). <br />• Install a power source through solar panel or electrical connection. <br />Considerations <br />• Radar speed signs may be part of a targeted enforcement strategy or used as a more <br />passive way of encouraging drivers to slow down.