94 nine-car trains are under construction for the Picadilly line. Expected to enter service in 2026
Train formation : DM-IM-KM-IM-KM-IM-KM-IM-DM
- DM = Driving Motor Car
- IM = Intermediate Car (Intermediate cars do not have bogies)
- KM = Key Motor Car
Units 38071 to 38094 will be de-icing units with additional de-icing equipment mounted on the centre KM car.