The Watford DC Line is a railway line in the United Kingdom that connects Watford to London Euston. It is part of the London Overground network and primarily serves commuters traveling between these areas. The line is known for its frequent services and accessibility, making it a vital transport link for residents and visitors. The line runs through several key stations, including Bushey, Garston, and Harrow & Wealdstone. It is electrified and primarily operated by London Overground, providing a reliable means of transportation for those commuting to central London and surrounding regions.