http://www.bbc.co.uk/news/uk-england-lincolnshire-35826079?post_id=10153359020329539_10154020590549539#_=_ So the driver ignores the box markings and gets held by the barrier on the crossing. So far, so "Yawn". But then, to move away, he reverses back onto the track where, so far as he knows, a train is rumbling along about to crush him.