Even casual motorists are always on the look out for the 5-0, not wanting to get pulled over. But for road warriors the speed trap is less of a statistical likelihood and more of an absolute certainty. You don’t want to get a huge ticket (with hefty fees on top of the fine) just for accidentally going 5MPH over while passing that hyper-miling Prius that refuses to budge off 63MPH.
For years I held onto the greatest radar detector ever made, the Valentine One