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.
Taplow railway station Taplow railway station is a railway station in Taplow, Buckinghamshire, England. The station is served by local services operated by Great Western Railway from Paddington, 22 ⁄ miles (36 km) to the east, to Reading stations, using class 165, and class 166 DMU trains. The station is on the original line of the Great Western Railway (GWR).