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The London station group is a group of 18 railway stations served by the National Rail network in central London, England. The group contains all 14 terminal stations in central London, either serving major national services or local commuter routes, and 4 other through-stations that are considered terminals for ticketing purposes. All current stations in the group fall within London fare zone 1. A ticket marked "London Terminals" allows travel to any station in the group via any permitted route, as determined by the National Routeing Guide.
Most London terminal stations were developed in the mid-19th century during the initial boom of rail transport. Many stations were built around the edge of central London, stopping at what is now the London Inner Ring Road, because it was prohibitively expensive to build right into the centre, and because each railway was owned by a private company competing with the others. The creation of the London Underground provided a practical connection to the various terminals, which continues to be the case as of the 21st century. Many of the stations have been upgraded and modernised to provide a greater capacity and connections to the network; the first London terminal, London Bridge has been rebuilt and expanded on numerous occasions, and of the major 19th century terminals, only Broad Street and Holborn Viaduct have closed. The latter was replaced by the nearby City Thameslink.
The London terminals had a significant impact on the local area. Originally, the demolition of poor properties, particularly south of the River Thames, caused blight and deprived areas around the station. This has changed in the 21st century, where development around the main terminals has been well-received and attracted occupants and businesses.