Oh sure...I bet you can come up with hundreds of scenarios and reasons for having two as that has been a part of your entire life as a motorist in that area....just as I could come up with oodles of examples on the opposite end since we have never had to deal with that.so, you see a car about to hit your kid, you see him coming, get a read on plate. kid plowed, you looking to your kid at this point, not looking to read a plate as it leaves. you look in your rear view mirror and guy is obviously toasted, all over the road. He is in and out of his lane and tail gating,