Complex sentence: In November 2007, TfL took control of these orbital routes from the DfT and the inner-suburban Watford DC Line services from Euston, manages them under the London Overground brand, with train services run under private contract.
Split into simpler sentences: In November 2007, TfL took control of these orbital routes from the DfT together with the inner-suburban Watford DC Line services from Euston. TfL manages them under the London Overground brand, with train services run under private contract.