Is this the Megabus of the railway?
New low-fare train services will allow travel between Edinburgh and London for £25.
FirstGroup say that the journeys will provide the "highest level of comfort and service" after agreeing a £100 million deal with Hitachi Rail for five new 125mph inter-city trains.
Journeys will last four hours and begin in autumn 2021 – providing direct competition to the London North Eastern Railway who operate the InterCity East Coast franchise.
Each train will have five carriages, all standard class, and will fit 400 seats. They will also include on-board catering and free Wi-Fi.
Five services will run in each direction between King's Cross and Edinburgh – calling at Stevenage, Newcastle and Morpeth.
And the first one of the day from London will arrive in Edinburgh by 10am.
Speed camera van will be in operation at new locations in Edinburgh and East Lothian
Steve Montgomery, managing director of the company's rail division, said: "We're excited to announce the next step to providing our high-quality low fare service for customers linking London and Edinburgh.
"There's a real gap in the market for truly affordable rail travel between the two capitals.
"Our plans show we are serious about competing with low-cost airlines and opening up rail travel on this key route to thousands of new passengers.
"The new trains we are introducing will provide the highest level of comfort and service, whilst being great for the environment and air quality."
Karen Boswell, managing director of Hitachi Rail Europe, added: "Our Japanese-bullet train inspired fleet will play a vital role in supporting FirstGroup's exciting new service.
"These trains have been designed to increase the number of seats available whilst harnessing the latest in comfort design to boost passenger experiences.
"Today's deal extends our long-term relationship with FirstGroup, who already use our pioneering intercity trains in other parts of the country to boost reliability and passenger satisfaction."
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