please empty your brain below

West Ruislip to Ickenham sounds like it ought to be on the map, but the walk between them is over 1km long, smashing the 10 minute deadline.
Heron Quays to Canary Wharf isn't on the map because Canary Wharf to Canary Wharf is.
Most Zone 1 stations are within a 10 minute walk of another, which would make the centre of the map an utter mess, so that's why they're not included.
etc etc etc
what about Bayswater-Queensway? Or is the nearby Notting Hill Gate Circle-District-Central line interchange a reasonable substitute?
Bethnal Green to Bethnal Green feels like an oversight, though given Liverpool Street is only one stop away you can understand the rationale for its exclusion.
They didn't add a dotted line between Brondesbury and Kilburn station even though they are only 200 metres apart.
A Zone 1 interchange which might have been useful to show is Cannon Street to Bank (W&C) (using the new Walbrook entrance), which is much more convenient than trekking through to Monument.

The currently-popular Lancaster Gate/Paddington walk will be of less use when Crossrail connects Bond Street and Paddington directly,
Chiswick Park to South Acton. It is already marked on the signage at ground level, and it would save people coming from Ealing going in a massive loop via Gunnersbury. But, this interchange only just makes the ten minute mark and make the already complicated map even more so.
Paddington to Lancaster Gate is the quickest way to get to the City.
Canary Wharf to Heron Quays.
Aldgate to Aldgate East.
Cannon Street to Bank.
Leicester Square to Covent Garden.
etc...etc
Also - Bring back Trafalgar Square.
Why isn't Barons Court an interchange ?
@Tetramesh

Indeed, and it would have made that West Hampstead mess a bit more complete.
@Kev - Aldgate to Aldgate East isn't an OSI. Ditto Cannon Street LU - Bank. Quite why, I don't know as they'd be useful...

Likewise Leicester Sq to Covent Garden. And, as well as paralleling the Piccadilly line, if you are walking between them, you aren't coming out of one station and into the other.
Lancaster Gate on the Central Line is just round the corner from Paddington. On the tube map it's way apart.
West Acton to North Ealing. Mostly only used by those doing silly tube challenges or those of us who live there. Less than 10min and you get to see some solid mock Tudor on the way.
Paddington to Lancaster Gate would require more or less a complete redraw of the Circle line in that area. Although it's not as bad a distortion of geography than the huge distance the map invents between Willesden Junction and North Acton (not quite walkable in reasonable time but still a lot closer than mapreaders would think).

Perhaps it's time to copy New York and go for a quasi-geographical map, that way all the interchanges will already be next to each other.
Manor Park to Woodgrange Park is just as valid an interchange as Forest Gate to Wanstead Park, but there's no point having both on there so they've gone for the one that's shorter. Pity they couldn't remember that logic when it came to Finchley Road (or decided that the Met needed its own interchange).
Although it might clog up Paddington on the map, the walk to Lancaster Gate is (according to Google) 643 metres, and eight minutes (six minutes in real life). It does save quite a bit of time when coming from the Central Line and the City, although this will become otiose when the Elizabeth Line opens.
The dotted line between New Cross and New Cross Gate is of more relevance on the Tube and Rail map than it is on the Tube map. (Of course, Tube Map is a misnomer, as it includes the dangleway, London Overground, DLR, Trams and the TfL Rail ends of the future Crossrail.)

New Cross-New Cross Gate is a useful connection for travellers between south east London and south / south west - e.g. Sidcup to Crystal Palace, or Falconwood to Sutton - avoiding the costs of Zone 1 and the melée of London Bridge.
Leytonstone to Leytonstone Midland Road is a really useful connection for accessing NE London without going through central London or Stratford

But with the impending train issues on the GOBLIN they probably don't want to encourage more people to use it!
The trek between both Leytonstone stations is also sign posted.
@Banbury Man - its 520m as I make it. Presumably people dont know the local roads here too well unless they are well, 'local.' For me its never been more than about four minutes walk from Praed Street entrance to Lancaster Gate entrance.

dg writes: On the DG scale, six minutes.

One needs to question whether Crossrail (the E Line) will save time especially as it will be a substantial walk from Paddington (Praed St) to Crossrail and then at Bond Street another long walk.

Therefore, depending on where one goes, Lancaster Gate will still be a short cut even when the new line opens.

There are other options too where I have found Crossrail slower, or the tube at least equal in terms of travel time, but more of that one day.
What I'd say were important omissions:
- Leytonstone/Leytonstone High Road
(saves time changing at Wanstead Park/Forest Gate and Stratford)
- Park Royal/Hanger Lane
(ditto about saving lots of time changing at Ealing Common, Ealing Broadway and North Acton)
- Lancaster Gate/Paddington
(Paddington being a major destination for intercity connections and Crossrail likely being quite a trek away)
- Chancery Lane/Farringdon
(the only other Zone 1 connection I'd say ought to be added as going around takes ages and will continue to do so even when Crossrail comes about)

Ones I'd have thought would be nice to have but would probably cause more trouble than they're worth:
- Canary Wharf to Heron Quays
- Kilburn to Brondesbury
- Bank to Cannon Street
- Euston Square to Warren Street
- Queensway to Bayswater
- Aldgate to Aldgate East
- Queen's Park - Brondesbury Park
- Manor Park - Woodgrange Park
- Manor House - Harringay Green Lanes
- St. Paul's - Barbican
- North Ealing - West Acton
Aldgate to Tower Gateway should be included: this should just fall in the 10 minutes and saves a long wait for a Circle when using the Met line. When the Olympic Park was being developed, I used it thinking it was an OSI, only to be stung for two journeys (it now is).
@dg - depends on which route one takes.
I think extra symbols meaning "unpleasant walk alongside a busy main road" and "may produce slight feeling of nervousness if you don't know the area" are needed before some interchanges can be shown.
@Andrew S -
I would also like to symbols for 'this is the easiest of cross-platform interchange' and 'although this is technically an interchange it involves a walk down a very, very long tunnel'

As for Paddington - Lancaster Gate I know that tube aficionados swear by this short-cut but I am still not convinced it is any quicker than taking the Bakerloo to Oxford Circus and changing there.
@cjw714 - cross platform interchanges are usually only available if travelling in one direction eg Victoria Line SB to Piccadilly Line SB at Finsbury Park. VL SB to Picc NB is not so easy so how would you convey all that info in one simple symbol?
@andrew S - I'll do some time tests and report back but you'll find by the time the tube reaches Marylebone one can be at Lancaster Gate.
Tottenham Court Road → (Central) → Oxford Circus → (Bakerloo) → Paddington
8½ minutes

Tottenham Court Road → (Central) → Lancaster Gate → (walk) → Paddington
12½ minutes

Tottenham Court Road → (Central) → Notting Hill Gate → (Circle) → Paddington
14 minutes
@Timbo again

Hong Kong does it, showing direction and everything (horizontal for, eg, N-N and S-S and curved for N-S and S-N).

The problem with London is that we ought not highlight how easy changing at certain busy stations. Wifi stats show that 32% of Waterloo-Kings X passengers go via the cross-platform interchange at Oxford Circus - if that turns to 92% (you'll still get some taking weird routes) because you inform everyone that this is the best route, then the already crowded platforms would be even busier.
@dg - excellent figures. Let's make these official - I wont even need to get out of bed!










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