Chiswick railway station serves the Chiswick area in the London Borough of Hounslow, in west London, and is in Travelcard Zone 3. The station, and all trains serving it, is operated by South West Trains. Chiswick station is located approximately 15 minutes walk away from Gunnersbury station (District Line) and (London Overground). Journey time into London Waterloo is approximately 25 minutes and Clapham Junction 15 minutes. The station is often used as an alternative to the District Line by passengers wishing to travel to London Victoria, who board Waterloo bound trains and alight at Clapham Junction, where they join one of the regular (around every three minutes) trains bound for Victoria which are operated by Southern. Journey time into Victoria from Chiswick is approximately 30 minutes, around 10 minutes longer than that of the District Line.