Vivarail D-Train enters passenger service Yurtdışı Haberleri by railsistem - Nisan 23, 20190 UK: West Midlands Trains put its first Class 230 ‘D-Train’ DMU into passenger service on April 23, working the Marston Vale route between Bletchley and Bedford, which forms part of its London Northwestern Railway business unit. The Abellio-led franchise operator ordered the three two-car units from Vivarail to provide extra capacity