Welcome to london-railfan.info
Railfanning London‘s Railways

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Visitors to London who are also transport enthusiasts (‘railfans’) sometimes ask for advice as to the ‘best’ things to see on London’s railway network. This page is part of a guide which aims to answer that question.

If this is the first time you have reached these pages then it is best to go to the Opening Page which sets the scene, explains the difference between the small and the large profile trains, offers advice on the best type of ticket to buy and photography tips.

Alternatively, it is possible to view everything on one page


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Circle Line
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S7 Train Travelling Through Brick-Lined Deep Cutting. . Inside S7 S Stock Train.
The Circle Line uses S Stock ‘subsurface’ trains which have 3 sets of opening doors per car, air-conditioning and internally are of a walk-through design.
The photograph (above - left) shows an S Stock train arriving at Bayswater station. This section of line was built during the days of steam trains and it includes many open air sections which ventilated the tunnels and allowed the smoke to dissipate.

S Stock Variations: Although they all look the same there are two different types of S Stock train.
The S7 variant have 7 cars with only longitudinal seating. These are used on the Circle, District and Hammersmith & City Lines.
The S7+1 variant have 8 cars with only longitudinal seating. There are only a few of these trains which are used on the Metropolitan Line.
The S8 variant have 8 cars, a mix of longitudinal and facing seats and are used on the Metropolitan Line.

Route maps inside S7 S Stock train. . Line name on S Stock train side.
S7 Stock trains have two route maps:
District Line (left);
Hammersmith & City and Circle Lines (right).

Many tourists are becoming confused
- because they look at the wrong map!
. S Stock trains show the line name and destination on their sides.
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Circle Line Map; click image to see a larger version in a new window.
Map modified by me, original source & license: Ed g2s / DavidCane / Wikipedia encyclopædia CC BY-SA 3.0 http://commons.wikimedia.org/wiki/File:Circle_Line.svg

Click map to see larger version in a new window! .

Below / Above Ground

The main part of the Circle is almost entirely below ground, although many stations are partly or wholly in open air. The tunnels include many short open air sections which date from the days of steam trains when ventilation openings were needed to allow the smoke to clear. Only a few of these are shown on the map

The west London section between Hammersmith & Paddington is in open air, except for the flyunder below the Great Western Main Line between Westbourne Park and Royal Oak stations.

For more information see the Hammersmith & City Line and District Line pages

Claustrophobia

twin tunnel symbol Information for people who are happy to travel on trains which are above ground but experience claustrophobia when in tunnels.

Most of the tunnels used by Circle Line trains are wide enough for two tracks (ie: a train in each direction), however there are a few locations with narrow single track tunnels. Almost all of these are very short...

* Just outside Tower Hill and Mansion House stations,
* Kings Cross St Pancras station platforms plus station approaches / exits.

There are also two tunnels the whole way between South Kensington and Gloucester Road stations plus a very short distance west of Gloucester Road station (about the length of a train - as seen on the District Line page). These tunnels were built for two tracks each but when the track layout in the area was changed in the 1950's the tunnels used by eastbound trains were reduced to single track. However the tunnels used by westbound trains still have two tracks - one track is dedicated to Circle Line trains whilst the other track is dedicated to District Line trains.

General Information

Almost the entire Circle line uses tracks shared with other trains - only the sections Aldgate - Tower Hill (including the outer two platforms at Aldgate station), Gloucester Road - High Street Kensington (including platform 2 at Gloucester Road station) and platform 2 at Edgware Road station are dedicated to Circle Line trains.

Despite its name Circle Line trains no longer go 'round and round' in a circle all day, but actually travel from Hammersmith in a loop around the Circle via Royal Oak, Baker Street, Kings Cross, Aldgate, Victoria and High Street Kensington stations before ending their journeys at Edgware Road station. They then retrace their route back to Hammersmith.

Stations At Different Locations With The Same Names:
Three stations served by Circle Line trains are ‘duplicates’. Edgware Road, Paddington and Hammersmith all feature separate stations served by several different Underground Lines.

In addition, during their journey Circle Line trains call at Paddington and Edgware Road stations twice! Furthermore, at Paddington they call at two different sets of platforms at different parts of the station!

S Stock train Notting Hill Gate station.
Looking out the open doors of an outer-rail (clockwise) westbound Circle Line train at Gloucester Road's platform No.2.
This platform is only used by Circle Line trains travelling to Edgware Road via High Street Kensington.
Opposite is eastbound platform No.3 which is used by both District and Circle line trains travelling to Victoria.

Stations At Different Locations With The Same Names: For various reasons three stations served by Circle Line trains are ‘duplicates’. At Edgware Road, Paddington and Hammersmith different Underground trains call at identically named stations which are at separate locations a short walk from each other.

At Edgware Road the Circle Line (and District Line and Hammersmith & City Line) trains use an open air station that was originally built by the Metropolitan Railway. The totally separate Bakerloo Line station with the same name is a short walk away across busy roads.

At Hammersmith the Circle (and Hammersmith & City) Line trains use the former Metropolitan Railway station which remains largely as built in 1868. The other station called Hammersmith is a short distance away across some busy roads. It is used by District & Piccadilly Line trains and has been modernised with its main entrance inside a shopping centre.

At Paddington the Circle (and Hammersmith & City) Line trains which travel through Royal Oak station use the suburban platforms numbered 15 and 16 which are alongside the mainline railway station. By way of contrast Circle (and District) Line trains which travel through High Street Kensington call at the Underground station that is located near the main concourse of the mainline / National Rail station and (at a deeper level) is also used by Bakerloo Line trains.

S Stock Circle Line underground train at Edgware Road (subsurface) station. . S Stock Circle Line underground train at Edgware Road (subsurface) station.
An eastbound / clockwise / outer rail Circle Line train travelling
via Kings Cross St. Pancras, Liverpool Street, Tower Hill, etc.,
arrives at Edgware Road station platform 1.
. A westbound S Stock Circle Line train going to Hammersmith
at Edgware Road station platform 4.
Edgware Road (subsurface) station platform information. . Edgware Road (subsurface) station platform information.
Edgware Road (subsurface) station showing which trains usually call at which platform ..

Edgware Road subsurface station has four platforms, is in the open air and was built by the Metropolitan Railway. The Circle (and District) Line trains which travel via High Street Kensington usually end their journeys at the centre two platforms whilst the Circle (and Hammersmith & City) Line trains which are travelling between Royal Oak and Baker Street use the outer two platforms. The other station called Edgware Road is a short distance away across some busy roads and is used by Bakerloo Line trains.

Northbound trains approaching Edgware Road often have to queue to enter the station and sometimes the resulting tailback even delays trains before they reach Paddington station.

Westbound S stock underground train at Liverpool Street station subsurface platform. . Westbound S stock underground train at Kings Cross St Pancras station subsurface platform.
A busy moment as an inner rail (anti-clockwise) S Stock Circle Line train calls at the westbound platform at Liverpool Street station.

With westbound trains from stations on the northern side of the Circle Line (Liverpool St - Great Portland St) travelling to over 6 different destinations it is always wise to check the electronic train describer to ensure that you travel on the correct train.
. An inner rail (anti-clockwise) S Stock Circle Line train calls at the westbound platform at the westbound platform at Kings Cross St. Pancras station. The subsurface platforms here opened in 1941 and are unique (for the subsurface network) in being more like a deep level tube station.
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S Stock train St James's Park station. . S Stock train Notting Hill Gate station.
An outer rail (clockwise) Circle Line train travelling to Edgware Road arrives at the westbound platform at St James's Park station. . An outer rail (clockwise) Circle Line train travelling to Edgware Road departs from the northbound platform at Notting Hill Gate station.

Some History: The Genesis Of The Circle Line

The creation of what was known as the Inner Circle came from a July 1863 report by a House of Lords (British Parliament, Upper House) select committee which had been asked to consider the best proposals for railways in London. This report recommended the building of an "inner circuit of railway that should abut, if not actually join, nearly all of the principal railway termini in the Metropolis."   The new line almost succeeded in serving all of the termini stations, missing out only Marylebone (which did not exist in the 1860's), Fenchurch Street and Waterloo - the latter most likely because it is in south London and there was little appetite to include river crossings in the Inner Circle.

The project was so large and expected to be so expensive that in 1864 the Metropolitan Railway (MR) created a second railway company - the Metropolitan District Railway (MDR) - to help raise the required funds. It was intended that the two railway companies would merge when the works had been completed, but because the MDR was significantly less profitable (and there was a personality clash between the two Chairmen) this did not happen and instead they started to argue, eventually becoming bitter enemies.

To build the new sections of railway it was decided that the MR would build the western and eastern portions from Edgware Road station to South Kensington and from Moorgate Street station to Tower Hill, whilst the MDR would build the southern portion linking these two locations. Some historical accounts claim that the MDR considered building Tower Hill station with four platforms and for most (if not all) trains to end their journeys here.

Because both companies had their eyes on the lucrative museums and exhibitions traffic in the South Kensington area some of the tunnels and stations around the south-western corner of the circle were built with four tracks, with three stations also having separate platforms for each of the railway's trains.

Unfortunately the MDR ran out of money and construction could not proceed further east than an unplanned four platform terminus station at Mansion House.

In 1871 construction works had become far enough advanced to allow for Inner Circle trains to be travelling between Moorgate Street and Mansion House via High Street Kensington.

The MR was slow to build east of Moorgate Street, two of the reasons for this being the expense of building through the City area and the realisation that the planned circular railway would see its income and profits being shared with the MDR (ie: going down!). It did not help that by now funding the works that had been completed had left both railways in parlous financial conditions and therefore their main focuses had turned away from completing the Inner Circle to starting new services in other parts of London where there were prosperous suburbs that could be served much more profitably.

The lack of progress annoyed many city financiers and in 1874 they created the Metropolitan Inner Circle Completion Railway Company (MICCRC) to build the missing link.

Circle Line London 1872 Map. . 1884 Railway Map Aldgate Area London.
The horseshoe shaped Inner Circle in 1872.
Map modified by me, original source & license:
Edgepedia / DavidCane / Wikipedia encyclopædia CC BY-SA 3.0
http://commons.wikimedia.org/wiki/File:Circle_Line_(1872).svg
. The joint railway built by the Metropolitan and District Railways
in 1884 which completed the inner circle and connected them
to the East London Railway.

Map modified by me, original source & license:
Edgepedia / DavidCane / Wikipedia encyclopædia CC BY-SA 3.0
http://commons.wikimedia.org/wiki/File:Completing_the_Circle.svg
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Even though the MICCRC was unable to raise sufficient finance the mere thought of competition from it encouraged the MR to quickly build the section between Moorgate Street and Aldgate. By now the MR wanted to extend its services to join the East London Railway (ELR) [this is the route which included the Brunel tunnel below the River Thames] and the South Eastern Railway (SER) which operated to the south of London*, so in conjunction with the MDR it bought out the MICCRC. In an effort to ensure that (this time) the circular service was actually realised the Houses of Parliament added a clause to the enabling legislation for the revised plans and new line to the ELR [the 1879 Metropolitan and District Railway (City Lines and Extensions) Act] which required the operation of a fully circular service and gave both the MR and MDR the legal right to run their trains on sections of railway owned by the other company. The Parliamentarians were not taking chances with possible future arguments! To help the two railways complete the project extra finance was made available from the City and the Metropolitan Board of Works.

*The Chairman of the MR, Sir Edwin Watkin, was also a director of about a dozen other railway companies, including the ELR, the SER plus the French Chemin de Fer du Nord and was instrumental of the creation of the Great Central Railway Main Line which ran services between London and Manchester via Sheffield, Nottingham and Leicester. Watkin had ambitious plans for through trains between Manchester in northern England and France via a Chunnel Tunnel. He actually started building this tunnel but Parliament, citing fears of a possible French invasion of the British Isles, forbade its construction and forced him to stop.

Construction of the Inner Circle restarted in 1881. Building from Aldgate, and using its unexpired legal powers from many years previously, the MR reached Tower Hill first - in 1882. At Tower Hill the MR hurriedly built a temporary station in just three nights and two days! and named it Tower Of London. The MDR's extension from Mansion House to a different Tower Hill station was completed in 1884, and within just a few weeks the long awaited fully circular services finally began. (It could be said that the speed in which things were built and opened in those days puts to shame how slowly things are done in the present era).. However the arguments between the two railway companies still continued. The MDR pretended that the Tower of London station did not exist and refused to sell tickets to it. So within a week it ended up closing.

At first all stations served by the new service were equipped with a booking (ticket) office from each of the two railway companies. The aim behind this was because the fares income was apportioned between them on the basis of the number of passengers who travelled over each section of railway, and the two companies always wanted to ensure that passengers bought tickets which gave them the greater share of the income - even if it meant that the passengers were sold tickets for the longer and slower route around the Circle. This situation was possible because (especially at first) one railway company operated the clockwise trains and the other company the anti-clockwise trains.

In 1933 Parliament merged most of London's public transports into a new organisation called the London Passenger Transport Board. This ended the enmity between the MR and what by now was known as the District Railway. The new owners did not like being subjected to the legal requirement to operate an Inner Circle service which travelled round and round in circles and within 16 months ensured that it was repealed. This suggests that even then there was a desire to change this service so that it served two terminal stations. Perhaps if the Parliamentarians had realised the future possibilities they would have refused to repeal the statutory obligation for the full circular service.

Although many years later, the Circle was broken in 2009, with Circle Line trains now travelling from Hammersmith via Shepherds Bush around the loop as far as Edgware Road and then retracing their journeys. This change has significantly inconvenienced passengers whose journeys between north and west London now require an enforced change of trains at Edgware Road station. However, since the break in the Circle is to the north-west of the line it does mean that the City financiers retain their through services in and around the City area - thereby meaning that (for them) the spirit of the 1879 requirement to operate a filly circular service has been retained.

London's Other Circle Lines

Over the years London has had other 'Circle' railway services, however these all only form(ed) partial circles - so that trains did/do not fully encircle London. These were the Super Outer Circle, the Outer Circle, the Middle Circle and a service which is not named or marketed as a Circle.

The Super Outer Circle was a short lived service from St Pancras station via a circuitous route via north and west London to the District Railway's Earls Court station.

The Outer Circle started in 1867 at Broad Street station and followed what nowadays is known as the North London Line and West London Line to Kensington Olympia, from where the destinations varied over the years and at different times included Victoria station, Mansion House and Earls Court. In later years this service only ran between Willesden Junction and Earls Court and in the 1920 was electrified (using the same system as the Underground) as part of the London and North Western Railway's extensive suburban electric services to the north and west of London. This service closed as a result of WW2 but a very similar service is now running again as part of the London Overground network.

The Middle Circle began in 1872 as a Great Western Railway service between Moorgate Street and Mansion House which in west London travelled via what nowadays is the West London Line and Kensington Olympia station. This service ended in 1905 and was replaced by an electric Metropolitan Railway service between Kensington Olympia and Aldgate or Whitechapel (different trains served different destinations). The railway electrification was done by the GWR as part of the project to electrify the Hammersmith & City Railway which it jointly owned with the Metropolitan Railway. Later the service was cut back again to become a shuttle between Edgware Road and Kensington Olympia, and it ended completely in 1940 as a result of WW2 bomb damage.

A map showing the above Circle services plus the Inner Circle can be found at this link:
http://commons.wikimedia.org/wiki/File:The_Circle_Routes_of_Victorian_London.png .

In 2012 London Overground starting running what amounts to a new outer circle service that travels via the East London Line, South London Line, West London Line and North London Line. However, instead of through trains this is operated in two segments with passengers who want to make a complete circuit needing to change trains at Clapham Junction and either Canonbury or Highbury & Islington. Note that travelling complete circles using these services should not be attempted if paying fares using an Oyster card in PAYG mode or a contactless card. Instead paper One Day Travelcards are required, or since the London Overground Network is part of the mainline railway (National Rail) so the All Line Rover, BritRail and Eurail passes can be used on these trains.



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See caption for picture information.
Some stations served by Circle Line trains have short platforms where part of the train stops outside the station and the doors remain closed. Passengers wanting these stations should walk through the inside of the train to a section which is within the station platform.









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This page last updated 11th July 2017.
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