Paul Corfield wrote[QUOTE] If you don't like this argument then please explain to me why the railways have to have ever more restrictive and therefore expensive safety systems and ways of working while society (and I take it you count yourself as part of that) tolerates mass slaughter on the roads every day / month / year.[/QUOTE] I have never really understood this either. The nearest explanation which seems to work for me[1] is that the death of an individual here and there is of little or no importance to me but taking them out a few hundred at a time is an issue I should be taking notice of. [1] Prolly some sort of deep rooted animal instinct thing I reckon.