radar detector Bargains radar detector Just as changes in the speed limit can indicate impending speed traps, changes in the road may also indicate an approaching speed trap. Areas with sharp turns are often hazardous enough to really necessitate a speed trap, since speeders and blameless people may be in danger. Hills can also be a sign of forthcoming speed traps since police cars may not be seen until you come right up on one. One of the best ways to perceive speed traps, or any police force radar detection, is a radar or lidar detector. These are great at detecting speed traps where police officers have their radar guns on incessantly. This is because radar detectors have time to detect the radar well in advance. On the other hand, when a police officer is not waiting for speeders and does not turn on his radar gun until he sees you, this is when a radar detector can fail. Even if you get a speeding ticket, it is still possible to argue your case against the ticket if the evidence was obtained using radar. 2 detector phaser radar