Who operates the services on the line where Watford Junction Motive Power Depot was situated?
Watford DC line The Watford DC line is a commuter railway line from London Euston to Watford Junction. Services on the line are operated by London Overground.
St. James Street railway station St. James Street railway station is in Walthamstow in the London Borough of Waltham Forest, east London, and is in Travelcard Zone 3, on the Chingford Branch Line of the Lea Valley Lines. The station, and all trains serving it, are operated by London Overground.