Thomas Ableman from Chiltern Railways explains how they are expecting a lot of business for the new service.
Virgin Trains, who operate on the West Coast Mainline, say that competition is good for customers and it has more frequent, faster services.
More top news
Two men have been arrested on suspicion of manufacturing explosives following a serious assault in Leicester.
Police are urgently appealing for information on the whereabouts of 29-year-old Gemma Newell, who disappeared from hospital.
Northamptonshire Police is shaking things up in a bid to get more officers back on the frontline.