Flex bi-mode
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Converted Class 769s set for Northern debut in New Year
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TESTING of Class 769 ‘Flex’ bi-mode trains converted from former Thameslink Class 319s has now reached an advanced stage, with production of sets for Northern, Transport for Wales and GWR set to ramp up over the coming months. The two pre-production sets – Nos. 769434 and 769456 – have been undergoing dynamic testing at the Great Central…
