Nexus has announced that they are in the process of buying a new train fleet for the Tyne and Wear Metro.
This is a £362 million project which the service owners say will transform the reliability for passengers.
They are looking for a supplier who will design and build the new trains which are scheduled to enter service at the end of 2021.
Nexus says this is the biggest project in the history of the Tyne and Wear Metro system since it was built in the late 1970s.
The Government has committed £337 million towards the cost of new train fleet, with a £25 million contribution coming from Nexus.
Trains will have air conditioning, digital connectivity, phone charging points and a linear seat layout to create more space for wheelchairs, standing room and luggage.
A new maintenance depot will be built on the existing Metro depot site at Gosforth in Newcastle.
Nexus anticipates that the bidders will be shortlisted by the late summer of this year.
The winning bidder will be announced in 2019.