Euston railway station is a major central London railway terminus managed by Network Rail in the London Borough of Camden. It is the southern terminus of the West Coast Main Line, the UK's busiest inter-city railway. Euston is the tenth-busiest station in Britain and the country's busiest inter-city passenger terminal, being the gateway from Londo…Euston railway station is a major central London railway terminus managed by Network Rail in the London Borough of Camden. It is the southern terminus of the West Coast Main Line, the UK's busiest inter-city railway. Euston is the tenth-busiest station in Britain and the country's busiest inter-city passenger terminal, being the gateway from London to the West Midlands, North West England, North Wales and Scotland.