I can recall a marketing call where I was asked to donate to one association or another and told I'd get a window decal or something to that effect, and while it wouldn't give me a free pass, it would certainly show officers on the road I appreciate them. I've got the exact verbage wrong, but that was the sentiment (this was several years ago). It was quite a hard sell from the solicitor, and I didn't go for it. I was frankly a little disgusted by the call.<p>That said, I've been driving for 20 years, and pulled over one time. That one time, an out of state cop (in my home town) pulled me over because the license plate frame (from the dealership I bought the car at) partially obscured the state name and he couldn't tell what it was. I suppose it could have been another state that ended in -nois, like lilinois, iiiinois, or something else, but more than likely, it was 5AM in a small town in Maine and I was circling around one-way streets looking lost or suspicious (I hadn't been back there in many years). The cop gave me directions to the street my grandfather lived on, and told me to enjoy my trip.<p>The secret here is surprisingly simple, and applies to most everything else in life. Don't be a dick. Drive around the same speed as other cars, and if you're the only one on the road, don't do more than 5-6 mph over the limit on the highway. It won't cost you that much time, and if you're the only one on the road it's probably dark and/or rural anyway so you SHOULD be more cautious, and in the end, you win either way, at the great expense of.. a few minutes time.<p>Another tip I've learned, is do as others do - especially on highways. Think about it, when you're driving across country, how many other cars around you are undertaking that length of a trip? It's far more likely most of them live in the area, and know what's appropriate - both for safety, and for cop-avoidance.