Clapham Junction is the busiest station in the United Kingdom in terms of trains, with all trains from London Waterloo and all Southern services from London Victoria passing through, as well as two branches of the London Overground terminating. | Clapham Junction is the busiest station in the United Kingdom in terms of trains, with all trains from London Waterloo and all Southern services from London Victoria passing through, as well as two branches of the London Overground terminating. |