Especially if it were in a residential area where you had been deliberately careful. If I got a ticket saying that I'd been driving 40 in a 25 zone, when I had

Especially if it were in a residential area where you had been deliberately careful. If I got a ticket saying that I'd been driving 40 in a 25 zone, when I had been carefully watching my spedometer at ~20s, I'd feel pretty wronged. I'm not sure I'd have the resources to fight it, but I would certainly want to.