my constituent sophie, who commutes from walkden to manchester, recently told me almost every day atast one peak time train is cancelled and when the train finally turns up, it's overcrowded. recently, she was stranded for hours after constant cancellations because the train crews were unavailable. can the prime minister ensure my constituents that this government is committed to building reliable railways? after 14 years of tory chaos? >> yes. >> yes. >> well, my honourable friend is right to highlight that the party opposite left our railways in a terrible state. two years of strikes costing our economy £850 million in lost revenue. you can't grow the economy if you can't run the railways. we will launch great british railways to focus relentlessly on passengers and to clamp down on passengers and to clamp down on delays and cancellations. and i am pleased, mr speaker, that northern have announced the largest ever investment in its fleet to deliver 450 new trains many more comfortable, reliable journeys for her constituents. >> leader of the opposition kemi badenoch. >> mr speaker,