Drivers in Puyallup may soon notice a new set of radar speed signs lighting up with bright numbers to show how fast they are going. What they won't see is that ... (opens in new tab)

Drivers in Puyallup may soon notice a new set of radar speed signs lighting up with bright numbers to show how fast they are going. What they won't see is that this mobile technology has already been tracking how quickly the traffic goes by. As part of a new proactive traffic-calming pilot program, city crews plan to deploy mobile radar speed signs on streets with a history of speeding complaints. The signs will begin operating in what city officials call "stealth mode," collecting traffic da...