British Rail Class 720

The Class 720 is a planned development of the Bombardier Aventra electric multiple unit for Abellio Greater Anglia. The intention is to procure a total of 111 5-car and 10-car trains, which will replace the bulk of Greater Anglia's fleet.

Background
In August 2016, Abellio was announced has having won the competition to run the East Anglia franchise, which was branded as Greater Anglia. At the same time, Abellio announced that, as part of its £1.4bn investment programme for the franchise, it would procure a total of 1043 new rail vehicles to completely replace its existing fleet. Of these, approximately 2/3 of the total were to be sourced from Bombardier, with 665 vehicles to be produced as part of the Aventra series. The new trains were to be procured in two types, with a total of 89 five-car and 22 ten-car units to be delivered for use on suburban services on the West Anglia and Great Eastern main lines.

Fleet
The Class 720 will resemble the and  being constructed for Crossrail and London Overground respectively. However, owing to the services that they will operate, they will be built to run at up to 100 mph.