These electronic copilots can pick up speed traps, red-light cameras, and more.

For years, the secret sauce for dodging police came from Waze's users, who alerted others to obstacles, traffic jams, and ...

Radar detectors are pretty simple. They detect when a cop is shooting radar at you, and warn you — often just too late — to slow down. Sometimes you're lucky enough to catch a cop early, but other ...