King's Cross station is a railway station in the Kings Cross district of north east central London. It is located in the London Borough of Camden and is the southern terminus of the East Coast Main Line. It is immediately adjacent to St Pancras station.

Barking station is a railway station served by National Rail and the London Underground. It is located in Barking in the London Borough of Barking and Dagenham in East London.
The station is in Zone 4 and is managed by c2c.

The station was opened in 1854 by the London Tilbury & Southend Railway, with the Gospel Oak to Barking line following in 1894. The electrified District Line service reached Barking in 1908, and the Hammersmith & City Line (then the Metropolitan Line) in 1936.

Barbican is a London Underground and mainline rail station serving the Barbican Centre in the City of London. It is on the Circle, Hammersmith & City and Metropolitan lines between Farringdon and Moorgate. It is in Travelcard Zone 1.

The station when first open was called "Aldersgate Street", this being the name of the street on which it stands. This changed to "Aldersgate" then "Aldersgate and Barbican" before settling on the present name.

Moorgate station is a London Underground and mainline station in the City of London, located on Moorgate, the street of the same name, north of London Wall. The station was named at one time "Moorgate Street". It is a terminus for suburban WAGN services to Welwyn Garden City and Letchworth.

Marylebone station or London Marylebone station is a National Rail and London Underground station in central London. The station is located midway between the mainline stations at Euston and Paddington, about 1 mile (1.6 km) from each. It is in Travelcard Zone 1.

London Bridge station is a National Rail and London Underground station in the London Borough of Southwark, which occupies a large area on two levels, immediately south-east of London Bridge and 1.6 miles (2.6 km) east of Charing Cross.
The mainline station is one of 17 UK railway stations managed by Network Rail. The tube station serves the Jubilee and Northern lines and consists of a ticket hall and entrance area with its main frontage on Tooley Street. The station is in Travelcard Zone 1.

King's Cross Thameslink station is a railway station in central London, which serves the Thameslink franchise. It is located on Pentonville Road, very near King's Cross station.
The station occupies part of the original site of King's Cross underground station built by the Metropolitan Railway. Its original street buildings are a little further west than the present Thameslink station frontage and, although in poor repair, may still be seen. The present Thameslink platforms on the City Widened Lines are separated only by a newer wall from the site of the Underground platforms, which may still be seen on the west side from Underground trains travelling between King's Cross St. Pancras and Farringdon.

Clapham Junction is a railway station located in Battersea in the London Borough of Wandsworth.
It is situated on St. John's Hill in the south west of Battersea and in an area now commonly known as Clapham Junction; a reflection of the influence the station has upon its locality.

City Thameslink station is an underground mainline railway station in the City of London, at the point where Fleet Street becomes Ludgate Hill.
It is in zone 1, between Blackfriars station and Farringdon station on the Thameslink service. It was opened in 1988 as St Paul's Thameslink. The name was apparently changed to avoid confusion with St. Paul's tube station, which is several hundred yards away and on the other side of St Paul's Cathedral.

London Charing Cross station is a central London railway terminus which is unusual in that its train services directly connect to two other railway termini; Waterloo and London Bridge. The station takes its name from the Charing Cross district of London, which itself is named after the twelfth Eleanor cross, which was located south of Trafalgar Square but was taken down by order of Parliament in 1647 as an "idolatrous object" and replaced by a statue of King Charles I.