New trains order
Swiss/Italian bid secures £200m Glasgow subway deal
The authority said the driverless trains would be quieter and smoother and are due to be operational by 2020.
Trains will be made by Stadler Bussnang AG in Switzerland the signalling equipment by Hitachi-owned Ansaldo STS in Italy.
SPT chairman Jonathan Finlay said: “The new rolling stock will provide the travelling public with a much improved journey experience and the system will be more flexible in terms of frequency and availability.”