The Office of Rail and Road said it will allocate spare capacity at Eurostar's Temple Mills depot in Leyton, East London, to either one new operator or Eurostar itself, which has plans to grow.
Rail passengers are using 'a range of techniques to persistently' underpay or avoid paying and see it as a 'victimless crime', according to the Office of Road and Rail (ORR).
Network Rail plans to remove the lineside lights most train drivers currently use to guide their journey and expand in-cab digital signalling across the network instead.
The Associated Society of Locomotive Engineers and Firemen (ASLEF) organised an 56-day strike at Hull Trains beginning on March 31 after they said one its members was unfairly sacked.
Network Rail confirmed that all lines are closed between cities and expect disruption to continue until the early afternoon. Police said a driver was arrested on suspicion of drink driving.