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.
Cambridge and St Ives branch line The Cambridge and St Ives branch (as it is named on New Popular Editions Ordnance Survey maps) was a railway built by the "Wisbech, St Ives & Cambridge Junction Railway" in the late 1840s. The railway ran from Cambridge in the south, through Fenland countryside to the market town of St Ives; more specifically, the line ran from "Chesterton Junction", where it met the present-day Fen line north of the River Cam.