I spoke to a Virginia Highway Patrol sergeant re: the OP. He had a few things to say, as I know him personally, but added that you’d have a tough time coaxing the info out of some troopers. It seems that many are taught that a bit of secrecy about traffic law enforcement goes a long way in correcting the original problem (unsafe driving)…
His first comment was to advise the following:
“SLOW THE F*@$! DOWN!”
I know this isn’t the info you were looking for, but he made me promise to tell you that. He says if you DO get a trooper to answer your questions to confirm what he says, also ask him about fatal accidents on the highway…i.e. how many the trooper has seen, how gruesome they are, and (you knew this was coming) what was the biggest factor contributing to the severity of the accident.
OK. You’re an adult, so here’s the Straight Dope:
If the officer is using standard X or K band radar, depending on the distance at which he clocks the offender, he will usually decide on the fly whom to ticket. Yup. It’s somewhat arbitrary. However, lots of factors can influence the decision…here are a few:
Distance between vehicles. The radar isn’t terribly focused at longer ranges, so to be safe, the trooper picks the most isolated target…it may not be the “lead car” or even the fastest-moving…but it’s the easiest to get a bead on. The first car in a line of offenders will TYPICALLY be cited.
Willful disregard. Blowing by the officer without slowing down, even if you weren’t the fastest-moving of offenders, will get you a ticket every time.
Size of vehicle. The offender in the larger vehicle is more likely to be cited for two reasons: He makes a bigger target for the radar, and the size of the vehicle makes speeding all the more dangerous.
Much of this assumes that the Trooper is only going to cite one offender…they would ideally cite all offenders, but sometimes it’s not practical to do so. And I’m sure you’ve seen the set-up whereby one Trooper clocks 'em and a whole mess of Troopers are waiting around the bend to round up each and every offender after a radio call from the first Trooper.
In regards to your OP, the safest (shhh!) place to be to avoid a speeding citation is NEXT TO another vehicle…but this is dangerous and don’t do it. It makes it very difficult for the trooper to definitively say that it was YOUR vehicle that he clocked…but this is dangerous and don’t do it. The larger the vehicle next to you, the better, helping to raise doubts in the Trooper’s mind (he doesn’t want to have to fight with you in court about this)…but this is dangerous and don’t do it.
All of this goes out the window if the Trooper is using a laser speed detector. They’re really accurate, even at long range…but this is dang…oh, wait, that part isn’t.
I hope this helps.
Thank you, and Goodnight.