Other than whats been said.
1/ in the countryside some roads have no white centre lines, seems to confuse town folk. So they drive in the middle, or your side of the road on straights and blind corners.
2/ mile ahead you are told of lane closed, closer to front most pullover and get in line. You will always get the odd one that will push there luck and jump the cue and go in closed lane right till the cones. Audi A8 might be wide,but not enough to block the lane like the truck drivers do, to stop them.
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