Thameslink is a 24-hour main-line route in the British railway system, running from Bedford, Luton, St Albans City, Peterborough and Cambridge via central London to Sutton, Orpington, Sevenoaks, Rainham, Horsham, Brighton, East Grinstead, and Littlehampton. The network opened as a through service in 1988, with severe overcrowding by 1998, carrying more than 28,000 passengers in the morning peak. All the services are currently operated by Govia Thameslink Railway.
The River Fleet is the largest of London's subterranean rivers, all of which today contain foul water for treatment. It has been used as a sewer since the development of Joseph Bazalgette's London sewer system in the mid 19th century with the water being treated at Beckton Sewage Treatment Works. Its headwaters are two streams on Hampstead Heath, each of which was dammed into a series of ponds—the Hampstead Ponds and the Highgate Ponds—in the 18th century. At the southern edge of Hampstead Heath these descend underground as sewers and join in Camden Town. The waters flow 4 miles (6 km) from the ponds.
Aldwych is a closed station on the London Underground, located in the City of Westminster in Central London. It was opened in 1907 with the name Strand, after the street on which it is located. It was the terminus of the short Piccadilly line branch from Holborn that was a relic of the merger of two railway schemes. The station building is close to the Strand's junction with Surrey Street, near Aldwych. During its lifetime, the branch was the subject of a number of unrealised extension proposals that would have seen the tunnels through the station extended southwards, usually to Waterloo.
King's Cross Thameslink station is a closed railway station in central London, England. It is located on Pentonville Road, around 250 metres (0.2 mi) east of King's Cross mainline station. At the time of closure, in 2007, it was served by Thameslink trains and managed by First Capital Connect.
Blackfriars, also known as London Blackfriars, is a central London railway station and connected London Underground station in the City of London. It provides Thameslink services: local, and regional and limited Southeastern commuter services to South East London and Kent. Its platforms span the River Thames, the only one in London to do so, along the length of Blackfriars Railway Bridge, a short distance downstream from Blackfriars Bridge. There are two station entrances either side of the Thames, along with a connection to the London Underground District and Circle lines.
Snow Hill tunnel is a railway tunnel on the northern edge of the City of London which carries the up and down Snow Hill lines between City Thameslink and Farringdon stations. The tunnel runs beneath the Smithfield meat market and was constructed, using the cut-and-cover method, immediately prior to the building of the market. The tunnel opened on 1 January 1866.
Ludgate Hill is a street and surrounding area, on a small hill in the City of London. The street passes through the former site of Ludgate, a city gate that was demolished – along with a gaol attached to it – in 1760.
City Thameslink is a central London railway station within the City of London, with entrances on Ludgate Hill and Holborn Viaduct. The station is on the Thameslink route between Blackfriars to the south and Farringdon to the north.
Holborn Viaduct is a road bridge in London and the name of the street which crosses it. It links Holborn, via Holborn Circus, with Newgate Street, in the City of London financial district, passing over Farringdon Street and the subterranean River Fleet. The viaduct spans the steep-sided Holborn Hill and the River Fleet valley at a length of 1,400 feet (430 m) and 80 feet (24 m) wide. City surveyor William Haywood was the architect and the engineer was Rowland Mason Ordish.
Herne Hill railway station is in the London Borough of Lambeth, South London, England, on the boundary between London fare zones 2 and 3. Train services are provided by Thameslink to London Blackfriars, Farringdon, St Pancras International and St Albans on the Thameslink route and by Southeastern to London Victoria and Orpington on the Chatham Main Line. It is 3 miles 76 chains (6.4 km) down the line from Victoria.
Blackfriars is in central London, specifically the south-west corner of the City of London.
Holborn Viaduct was a railway station in the City of London, providing local and commuter services. It was located to the southeast of Holborn Viaduct, and east of Farringdon Street.
The London station group is a group of 18 railway stations served by the National Rail network in central London. 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.
Ludgate Circus is a road junction in the City of London where Farringdon Street/New Bridge Street crosses Fleet Street/Ludgate Hill.
The Thameslink Programme, originally Thameslink 2000, was a £6 billion project in south-east England to upgrade and expand the Thameslink rail network to provide new and longer trains between a wider range of stations to the north and to the south of London. The development facilitated new cross-London journeys, which means that passengers no longer have to change trains in London. Work included platform lengthening, station remodelling, new railway infrastructure, and new rolling stock. The project was originally proposed in 1991 following the successful introduction of the initial Thameslink service in 1988. After many delays, planning permission was granted in 2006 and funding was approved in October 2007. Work started in 2009 and was completed on 18 September 2020, although trains over the new routes began running in 2018.
The Widened Lines is a double-track railway line forming part of the Thameslink route between St Pancras and Farringdon within Central London.
The A201 is an A road in London running from Kings Cross to Bricklayer's Arms.
Greenwich Park was a railway station opened in 1888 by the London, Chatham and Dover Railway (LCDR) in Greenwich, south-east London. The station was originally called Greenwich and the LCDR intended it to rival a nearby station also named Greenwich which was owned by the South Eastern Railway (SER) and which had opened over 50 years earlier. The LCDR's station was the terminus of a branch line from Nunhead.
Ludgate Circus was a planned London Underground station that would have formed part of "phase 2" of the Fleet line had it been completed. Taking its name from the nearby Ludgate Circus in the City of London financial district, preliminary preparation work was begun in the 1970s, but the plan was later postponed due to lack of funds.
The Holborn Viaduct–Herne Hill line is a railway line between Holborn Viaduct in the City of London and Herne Hill in the London Borough of Lambeth. After the closure of Holborn Viaduct station the line ends at the south portal of Snow Hill tunnel merging into Snow Hill lines. From there the Widened Lines to St Pancras and Kentish Town are reached. Today the section north of Blackfriars is part of the Thameslink core. Originally being a branch line of the London, Chatham and Dover Railway (LCDR) towards the City of London, the line is sometimes called LCDR City Branch.
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