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.
Watford and Edgware Railway The Watford and Edgware Railway (W&ER) was a company established in the 1860s in the United Kingdom to build a railway between Edgware in North London and Watford, Hertfordshire, via Bushey. Its planned 6.25 mi route would have extended railway line which form part of the present-day Northern line on the London Underground network. Nothing substantial was constructed.