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You are here: Home › engineering › The Tower Subway – the World’s First Tube
Railway


THE TOWER SUBWAY – THE WORLD’S FIRST TUBE RAILWAY

engineering 2. August 2021 1 Tabea Tietz

London Tower Subway in 1870

On August 2, 1870, the Tower Subway, the first tube railway in the world, was
opened under the River Thames in London, England. Engineer James Henry Greathead
used a tunnelling shield he modified from Barlow’s design to bore the 6-ft
diameter tunnel near the Tower of London. It opened with steam operated lifts
and a 12-seat carriage shuttled from end to end by wire rope powered by a steam
engine.

THE IDEA OF AN UNDERGROUND LINE

In the 19th century, the city of London grew rapidly and the roads filled with
cars and omnibuses at the same time. Talks about an underground railway probably
began around 1830 and were highly supported by Charles Pearson, Solicitor to the
City of London. He promoted several schemes and helped to set up the City
Terminus Company in 1852 to build a railway from Farringdon to King’s Cross.
However, the railway companies were not as interested and two years later, the
Metropolitan Railway was given the permission to construct an underground line.

Interior of the Tower Subway carriage, from the Illustrated London News, 1870.

6 KM UNDERGROUND

Unfortunately, the company failed to raise the capital as the Crimean War was
under way and therefore, the construction did not start until March 1860. The
railway from Paddington to King’s Cross was mostly built using the
“cut-and-cover” method, an often used method of the construction for shallow
tunnels where a trench is excavated and roofed over with an overhead support
system strong enough to carry the load of what is to be built above the tunnel.
East of King’s Cross, the tunnels then lead to the River Fleet in an open
cutting to the new meat market at Smithfield. The 6 km railway was opened on
January 10, 1863 and used steam locomotives and wooden carriages.

Tower Subway on a map: Reynolds’ Shilling Map, 1895.

A CYLINDRICAL TUNNEL SHIELD

One year later, Peter William Barlow, an English civil engineer, associated with
railways and bridges as well as the design of tunnels and the development of
tunnelling techniques, patented a design for a cylindrical tunnelling shield.
His method used a circular wrought iron or steel shield and filled up the gap
between the tunnel lining with lime or cement to prevent settling of the ground
above. Barlow suggested a network of tunnels with cars carrying up to 12 people
and in 1868, the government decided to built a tunnel under the Thames between
Great Tower Hill and Pickle Herring Stairs near Vine Street.

UNDER THE RIVER

Due to some delays, the actual work began in February 1869 and the under-river
section was dug in fourteen weeks and the tunnel completed by December. The
entrance shafts were fitted with steam-powered lifts for passengers and the
tunnel was laid with 762 mm gauge railway track and a single car, carrying a
maximum of 12 passengers, cable-hauled by two 4 horsepower stationary steam
engines, one on each side of the river. The underground railway – and first tube
railway – opened on August 2, 1870.

Interior of the car of the Tower Subway in 1870

MISSING ECONOMIC SUCCESS

Unfortunately, the system was quite uneconomic and the company closed in
December. As a consequence, the steam engines and rail car were removed. The
passenger lifts were replaced with spiral staircases and gas lights were
installed. The tunnel then opened to pedestrians and became a very popular way
to cross the river with about 20,000 people a week. In 1888, the subway achieved
notoriety very briefly when a man with a knife was seen in the tunnel at the
time when Jack the Ripper was committing his infamous murders.[6]

THE TOWER BRIDGE

In 1894, the Tower Bridge opened a few hundred yards downriver. It was toll-free
and caused a great drop in subway’s income. Three years later, Parliament passed
an Act authorising the sale of the tunnel to the London Hydraulic Power Company
and the subway closed to pedestrian traffic in 1898.





Oliver Green, ‘The Art of the Underground: 150 Years of Re-designing London‘,
Gresham College [5].



References and Further Reading:

 * [1] Subterranea Britannica: Tower Subway
 * [2] Wright, Laurence (24 July 2017). “James Henry Greathead and the London
   Underground”. Literator. 38 (1): 12. 
 * [3]  Dickens, Charles, Jr. (1879). “Tower Subway”. Dickens’s Dictionary of
   London.
 * [4] “Tower Subway – Part of the Secret London series”. Historic UK
 * [5] Oliver Green, ‘The Art of the Underground: 150 Years of Re-designing
   London‘, Gresham College @ youtube
 * [6] The Still Unsolved Case of Jack the Ripper, SciHi Blog
 * [7] Tower Subway at Wikidata
 * [8] Map of Tunnels underneath the River Thames, via Wikidata and DBpedia



England, Jack the Ripper, James Henry Greathead, London, railway, subway, tower
bridge
Previous Post
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AUTHOR



TABEA TIETZ

View all posts by Tabea Tietz →




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