HXP1 <hxp1@bigfoot.com> said: >> What's a scotchblock? > >A Piece of timber with a casting on top, which when folded over the rail >'should' derail a vehicle. ...but in reality breaks into about 50,000 splinters as the train speeds through it. Train stays on rails, hits next object in it's way (car, another train, people). >Think of them as poor man's catchpoints. Regards Michael (: