Top speed contradiction
see Crossrail#Rolling_stock - top speed 160 or 145 - the old link is dead - new ones say 145 http://www.crossrail.co.uk/assets/download/4962 or http://www.railwaygazette.com/nc/news/single-view/view/crossrail-rolling-stock-contract-invitations-to-negotiate-issued/archiv/2012/02.html ..