Question to the Department for Transport:
To ask the Secretary of State for Transport, pursuant to the Answer of 17th January to Question 122182 on Railways: Midlands and North of England, for how many of the 217 track kilometres would a train reach 140mph.
Within the 217km, trains would need to accelerate up to 140mph and decelerate back down to 125mph. The distance this would take depends upon the performance specification of the rolling stock.