Afraid not. Most regular traffic is aware of speed traps, it will slow down in the zone and speed up right after to make up time. It's far more effective to lo

Afraid not. Most regular traffic is aware of speed traps, it will slow down in the zone and speed up right after to make up time. It's far more effective to lower the road's natural speed by introducing curves, roundabouts, rumble strips, flexible barriers and speed bumps.