London's King's Cross Station.
King's Cross Station, an Intercity 125 train is pictured towards the right. The main line north had recently been electrified within suburban territory. But the line further north to Edinburgh would later be electrified, eventually eliminating the need for the high speed diesel Intercity 125 trains.
London's St. Pancras Station.
St. Pancras Station, prior to electrification and reconfiguration for the Eurostar trains.
London's Euston Station, a modern 1960's building which replaced a classic old building.
Euston Station.