The Waterloo & City Line: Not Such A Drain!

Meet the shortest line on the Underground network

For many years referred to by customers and staff as ‘The Drain’,  the Waterloo and City Railway was built by, and as an extension of, the London and South Western Railway.

Shares Prospectus for Waterloo & City Railway (1894) by London South Western Railway CompanyTfL Corporate Archives

In 1893, an Act was obtained for a deep line from Waterloo station to a point near Mansion House, with no intermediate stations, and work began in 1894

Leaflet Promoting Opening of the Waterloo & City Railway (1898-08-08) by London and South Western RailwayTfL Corporate Archives

Work was completed in 1897

The Railway was opened by the Duke of Cambridge in July 1898.  
The line is named after its 2 stations. City station was renamed Bank in 1940, but the railway’s name wasn't updated

Train ticket issued by Waterloo & City Railway (1921-01-01) by Waterloo & City RailwayTfL Corporate Archives

Fares were 2d for a single and 3d for a return

By the early 1900s the line was carrying 5.4m passengers per year

It had twin tunnels, at least 12 foot in diameter. In the subway leading to the Docklands Light Railway at Bank, a surviving piece of the 'Greathead' shield used to bore the tunnels can be seen.

Early 1900s Waterloo & City Rolling Stock (1900-01-01)TfL Corporate Archives

The Railway used 4-car trains of motor cars and trailers

At the time, the Board of Trade allowed traction power cables to run through from one carriage to another. This was not permitted subsequently and future multiple unit trains involved control of all motor cars remotely from the operative cab using low power operated contactors

The original wooden trains survived until 1940, when they were replaced by specially designed tube-sized cars similar to the Southern Railway’s surface stock. These trains ran until 1993, when modern Underground cars took their place. These were effectively Central line 1992 stock, but in Network South East livery. In 2006 the line underwent further upgrade works including new track, improved signalling and refurbished trains, which were repainted in London Underground colours.

Class 487 Stock being prepared for Waterloo & City Line (1968-06-19) by British RailwaysTfL Corporate Archives

The line is completely self-contained

This means all tube stock has to be delivered by crane and lift!

Diagram of Interchange between Central London Railway and Waterloo & City Railway at Bank Station, 1957-11-11, From the collection of: TfL Corporate Archives
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Agreement regarding supply of electricity to Waterloo & City line, 1904-10-31, From the collection of: TfL Corporate Archives
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Throughout the 1900s, the line ran as part of the mainline national rail network, although with power provided by the Underground and subways running to the Central line, agreements and close collaboration with the Underground was crucial

Letter regarding transfer of Waterloo & City Railway to London Transport (1948-12-15) by London Passenger Transport BoardTfL Corporate Archives

Transfer to London Underground

Transfer of the line to London Underground was discussed in the 1940s but didn’t finally occur until 1994

Bank Station Travolator Artists Impression (1959-06-15)TfL Corporate Archives

In the 1960s, the first moving travolator was installed to assist passenger flow from the Waterloo & City platforms at Bank to the exit

Diagram of Bank Station Travolator Mechanics, 1959-01-01, From the collection of: TfL Corporate Archives
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Diagram of Bank Station Travolator Tunnel, 1959-01-01, From the collection of: TfL Corporate Archives
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Press reports stated it to be the first of its kind in Europe

"Drain" Gets New Look

British Pathe film from 1960 (1min 19s)

Interior of 1992 Waterloo & City Line Stock (2013-04-04) by Michael GarnettTfL Corporate Archives

The Waterloo and City is the Underground’s shortest line

It has only 2 stations and is less than 3km long. The trip takes 5mins. On arrival at Waterloo, all passengers have to leave the train, which then shunts ahead to a siding where the driver changes ends

Did you know? The Waterloo & City line is the only Underground line to have a day off! Trains do not run on the line on Sundays, except for special events.

Credits: Story

Story compiled by TfL using information in records at the Transport for London Corporate Archives. The Corporate Archives seeks to preserve and make accessible records, not to interpret them. A wider range of material is available for physical consultation.

Permission is granted to reproduce for personal and educational use only.


This story has been enhanced using video from the collections of the British Pathe. All enquiries regarding this video should be made directly to that institution. 

Credits: All media
The story featured may in some cases have been created by an independent third party and may not always represent the views of the institutions, listed below, who have supplied the content.
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