Procurement of New Rolling Stock, - (press release) The option for 40 new vehicles from Bombardier appears in the manufacture and supply agreement for the order of 130 Electrostar vehicles from Bombardier announced by Southern on 28 December 2011. The MSA provides that the option for the further 40 vehicles expires on 31 December 2012. The 40 vehicles will be in 5 car formation with dual voltage configuration, will cost circa £60 million in total, and it is expected that they will be delivered during 2014 for service entry in December of that year.