There should be a major train junction under Oxford Circus acting as the centre point of a large double-loop tube line, had plans shown off in 1988 gone ahead.

TfL archives

The £2.3 billion figure-of-eight tube line would have largely doubled the capacity of much of the existing Circle line and also the Waterloo & City line, but with the pinch in the centre doubling up parts of the Victoria and Bakerloo lines to create a nexus underneath Oxford Circus.

It was however just one proposal in a number of a schemes that were investigated as part of the Central London Rail Study Group report, which also considered issues such as splitting the Northern line into two, extending the Central line, the Crossrail proposals, and extending the Jubilee line to somewhere via docklands.

The report was indirectly a consequence of the Kings Cross fire in 1987 which highlighted the safety risks from many things, but also from overcrowding. The government committed to a major investment, but first commissioned a report to find out the best way of increasing capacity in central London.

The figure-of-eight railway was the proposal that dominated the news of the report being commissioned, which probably irked the railway people who were far more interested in building anything other than a figure of eight railway in central London.

Indeed, it’s a bit of a mystery as to how it was even included in the first place.

Although the report’s remit was to look at how to increase capacity in the centre of London, and that the figure-of-eight line seemed to do just that, the proposal was flawed in that it mainly increased capacity along existing tube lines rather than adding extra connections or bypasses.

It also had the disadvantage that it would have been largely replicating parts of the Circle line, but rather than offering a swift interchange between the lines, it would have been a deep level tube, so interchanges would have taken longer than ideal.

At the time Oxford Circus was regularly being closed due to overcrowding, and the Jubilee line had bypassed it for that same reason, so the last thing they wanted was yet another set of tube lines there.

The figure-of-eight railway gets just a few lines in the final report, so utterly dismissed was it from the plans. The main advantage of the line, which was provisionally costed at £2.3 billion, was that the fairly few stations planned would make journeys between several major hubs very quick. Fewer stations also holds down the costs quite substantially, which was important as this was also one of the more expensive proposals in the report.

The main problem was that the figure-of-eight line didn’t address radial lines into central London, which is where the worst congestion appeared. It also added a problem, in that loop railways are always a bit of a pain to run, so much so that the Circle line was converted from a loop a few years ago to fix those issues.

Realistically, the only additional benefit the line offered was a station in the Clerkenwell area of central London, which is still today curiously badly served by tube lines. If you were minded to want to campaign for a new tube station, one on the Met line around the Mount Pleasant redevelopment would probably be quite a good place to start.

And it’ll cost a lot less than the £2.3 billion the figure-of-eight line was proposing to spend.


TfL archive: LT000227/414 and LT000261/686
(Thanks to TfL archive staff for assistance in locating these documents)

Illustrated London News, 29th October 1988

The Times, 27th February 1989

This article was inspired by the mapping exhibition held by TfL last year.


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  1. Former Transport Insider says:

    This was mentioned in London Transport and The Politicans as the Hairpin Line. I think it had been around a long time.

  2. Melvyn says:

    A station at Mount Pleasant on the Circle , H&C and Metropolitan lines was proposed way back when Ken Livingstone was leader of the GLC but nothing came of it despite its location actually being better than Farringdon in those ore Crossrail/ Thameslink days serving a Junction with major bus routes. A major redevelopment of the Mount Pleasant Post Office site is planned but I doubt if the vision of a station at Mount Pleasant still exists!

    This plan also shows how Oxford Circus misses out given how it’s not been connected to the new Crossrail given how close it is to Bond Street Station entrance in Hanover Square and in fact Hanover Square was used to build the Victoria Line suggesting old worksite tunnels to Victoria Line may exist alongside Crossrail worksite tunnels !

    This figure of 8 needed to be connected to mainlines to allow through running like Crossrail to have worked .

  3. Tony Baldwin says:

    Did TfL release the docs was it a long process I’d like to see what they thought of the Central line proposal

  4. Dan says:

    I believe splitting the Northern Line is still planned – as soon as Camden Town is rebuilt they can do it.

    Hope very much that the Morden branch becomes the Southern Line and doesn’t get named after Prince Charles. ‍♂️

  5. Geoffrey says:

    Splitting the Northern Line must be on the cards now with the Battersea Power Station extension. Northern Line was always an awful name for the line with the southernmost station on the Underground. The section through Charing Cross and running only to Battersea should be Strand Line and retain the Black colour. The line through Bank should be Lombard Line and GOld colour. The names come from the streets outside the two major stations on each line. North of Camden Town both lines would serve Edgware and High Barnet Mill Hill East with the two colours printed alongside each other line Uxbidge line from Rayners Lane. Having separate colours etc might reduce changing at Camdem Town. The problem on Circle Line as a true
    loop is caused be changing staff at shift ends and breaks. If the Cicle Line depot for both trains and staff was at a Three/Four Platform station at Barbican with maintenence at widend lines Moorgate unused space a true loop could be run.
    Mount Pleasant station could easily be created ob Circle lines by building anti clockwise platform & track alongside the tunnel in a similar manner to the Angel station new platform, not very expensive.

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