Another successful technique for the troopers to pull over a lot of people at once is one of these “large operations” that they get going on the freeways. One time in Washington State, on I-5 North, a bit past Vancouver, WA, there was one trooper with radar on his rig, and he was getting everyone’s speed. (there might have been two, spaced out, but I didn’t see...).
Up over the next rise, there were about 15 troopers (cars), over to the side of the road — some parked and waiting, some “rolling out” with lights on, and others down the road a ways, having pulled over some people.
They were radioing ahead for the cars that were speeding and pulling over every last one of them. They were nailing them left and right. I’ve never seen such a massive pulling over like they were doing... LOL..
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Then there was another time I was in Arkansas, somewhere past Little Rock, on the way to Memphis (I-40) and I saw a trooper on an overpass (on foot) and he had a laser gun. You have to be closer with those than a radar unit and he was “popping up” over the concrete edge on the overpass, and shooting the traffic, then popping back down again... LOL.. Down the road a bit were the trooper cars, a bunch of them waiting to pick up whomever he tagged...
I’ve been through that area by Vancouver. It is notorious.
A lot of ticket avoidance is spending most of your time on roads you are familiar with and knowing where the likely traps are. It used to really irritate my stepson when we’d be hitting 90 on I-90 and I would say, “This looks like a good place for a speed trap” before we got out of the mount Baker tunnel. I’d back down to the actual limit and, whadaya know, there is a radar cop. But I know it is a notorious site.