Deep level underground is construction that is 20 m (66 ft) or more below ground and not using the cut-and-cover method, especially train stations, air...

The London deep-level shelters are eight deep-level air-raid shelters that were built under London Underground stations during World War II. Each shelter...

The Deep Underground Neutrino Experiment (DUNE) is a neutrino experiment under construction, with a near detector at Fermilab and a far detector at the...

important areas. Most stations are located underground, with entrances and exits leading up to ground or street level.[dubious – discuss] The bulk of the station...

several years, the Deep Underground Gravity Laboratory used 20 seismometers strategically placed on the surface and on several levels of Sanford Lab from...

entrance on Canonbury Road. Operated by Great Northern, it is the only deep-level underground station in London served exclusively by National Rail trains. Between...

kilometres) of tunnels are underground. Hamilton Square and Liverpool James Street are the oldest deep level underground stations in the world. In 2023...

known as the Kalamaria Extension (Greek: Επέκταση Καλαμαριάς), is a deep-level underground rapid transit line in Thessaloniki, Greece, connecting New Railway...

length of railway on the London Underground is 400 kilometres (250 mi) and made up of the sub-surface network and the deep-tube lines. In 1971/72 it was...

total of 250 trains allowing replacement of all existing trains on the deep-level Central, Waterloo & City and Bakerloo lines. The first train was delivered...

improved tunnelling shield which enabled construction of London's deep-level Underground lines. To the south of the junction is Mansion House. This has been...

blocks to the west almost as far as St Olave's Church. The first deep-level underground tube line in London was the City and South London Railway, now the...

Metro, also known as the Base Project (Greek: Βασικό Έργο), is a deep-level underground rapid transit line in Thessaloniki, Greece, connecting New Railway...

and replaced the 1967 Tube Stock. It is the first new deep level tube stock on the Underground network since the 1996 Stock entered service on the Jubilee...

pronunciation: [derˈinkuju]) also known as Elengubu, is an ancient multi-level underground city near the modern town of Derinkuyu in Nevşehir Province, Turkey...

or two distinct unconformities. Mining has taken place as mostly deep-level underground, exploiting the narrow, generally shallow dipping tabular reefs...

world's first deep-level underground railway. By 1892 the extensions on land from Birkenhead Park station to Liverpool Central Low level station gave a...

City and South London Railway (C&SLR) was the first successful deep-level underground "tube" railway in the world, and the first major railway to use...

On 8 August 1898, the company opened the Waterloo & City line, a deep level underground railway that ran directly between Waterloo and Bank–Monument station...

opened in 1889. 1890 – The City & South London Railway was the first deep-level underground "tube" railway in the world, and the first major railway to use...

Retrieved 11 November 2011. "Deep-Level Underground for Paris". The Railway Magazine. No. 826. February 1970. pp. 80–83. "The Underground Revolution". Rail Enthusiast...

1890 - The City and South London Railway (C&SLR) was the first deep-level underground "tube" railway in the world, and the first major railway to use...

Central London Railway (CLR), also known as the Twopenny Tube, was a deep-level, underground "tube" railway that opened in London in 1900. The CLR's tunnels...

A new deep-level underground platform was built at Liverpool Central as part of this loop tunnel. The former CLC route was taken underground connecting...

Cannon Street, Shadwell (where a section of line would run at surface level using existing tracks), and thence through a tunnel to Wapping, Surrey Docks...

Central London Railway (CLR), also known as the Twopenny Tube, was a deep-level, underground "tube" railway that opened in London in 1900. Today, the CLR's...

Winnipeg, Manitoba, Canada City and South London Railway - the first deep-level underground "tube" railway in the world This disambiguation page lists articles...

it began to dwindle in popularity as competition from the new deep-level Underground railways and electric tramways took away custom by offering more...

miles (150 km) of tube tunnels. Many of the central London Underground stations on deep-level tube routes are higher than the running lines to assist deceleration...

shield—enabled new companies to construct a series of "tube" lines deeper underground. Initially rivals, the tube railway companies began to co-operate...