Tom Anderson wrote:
On Tue, 7 Jun 2005, asdf wrote:

Plus has Sudbury Hill Harrow looks like it loses it's 'limited service'
station symbol simply because it's incompatible with the 'interchange
station' symbol.

Odd. This happens at some stations (Wimbledon) but not others
(Stratford)...

Odd indeed.

snip

Really, they need a visual code in which these properties are shown by
orthogonal, composable features: if interchangeness was just blackness,
that would work. It would look horrible, though.

Also, they show normal stations on tube and rail lines differently, which
is bad.

tom

A thorough analysis! The link below takes you to a now well out-of-date
site on the lack of consistancy on the Tube map, of which most of the
issues have now been addressesed. It does show that 'great minds' have
visited the issue of rail map (or more accurately diagram) consistancy
beforehand.

However I think it's OK that stations on the Tube are shown differently
to railway stations - it's an added visual clue (alongside the thinness
of the Tube lines) that they're part of the Underground.

During the 1990's, the London Connections map used to use the
monochrome (black & white) 'colours' for each Tube line, reserving the
real colour for the overground lines. There was a logic in keeping the
profusion of colour under control, but it ended up a really ugly map.
The newer all-colour London Connections is, IMO, a better solution to a
difficult design brief.