FLEX The go-anywhere train

摘要

When you've invested millions of pounds in maintaining and updating trains to bring them up to modern standards, what do you do when those trains become surplus to requirements soon afterwards?That was the problem facing Derby-based train leasing company Porterbrook a few years ago when several large fleets of electric trains were rendered redundant by massive new train orders.In the case of Thameslink, 86 four-car Class 319 dual-voltage EMUs built between 1987 and 1990 have been replaced by new Siemens Class 700s over the last three years.