radar gun

(Newser) - Motorists intent on avoiding tickets can now rely on a mobile phone service designed to warn them about radar traps and red-light cameras, the AP reports. Called Trapster, the service uses wireless Internet or a phone’s GPS capabilities to determine location, and gives users an alert if they are...

(Newser) - No more flying under your neighbors’ radar: Police departments across the US are enlisting residents to help catch speeders, USA Today reports. Officers loan radar guns to regular folks;  drivers going, typically, more than 13mph over the limit receive warning letters. And it’s not just teens who are...