Hitachi Rail, train operators and government have agreed a service recovery plan to safely reintroduce 800 Series and 385 Series trains to the network.
The fleet of 800 Series trains was removed from service as a precaution at the weekend when cracks were found in the chassis' of some of them.
Following extensive safety checks on their trains, Transpennine Express, Hull Trains and ScotRail have been able to operate services across all of their routes since last weekend.
After further safety checks involving the Office of Rail and Road's Railway Inspectorate, GWR and LNER will now begin reintroducing trains with a more regular service for passengers.
Trains on some routes may be less frequent than usual and train availability could vary, for a number of reasons, so passengers were warned that they should continue to check with the operators before they travel.
The service recovery plan follows joint work between Hitachi Rail, train operators and the regulator around the safe return to service of some trains.
The service recovery plan includes inspections by specialist teams before trains leave the depot. Trains will only re-enter service if they meet agreed safety criteria.
Andrew Barr, group chief executive of Hitachi Rail, said: “With our service recovery plan now underway, the operators will begin reintroduction of trains as they are individually approved and deemed safe. We would like to thank our partners for their ongoing support as we work collectively to reintroduce more trains into service.”
David Horne, LNER managing director, said: “We are continuing to work together to begin the return of Azuma trains into service from next week.”
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