[Talk-GB] Conflicting tagging of london undergound stations

Abigail Brady morwen at evilmagic.org
Thu Sep 20 19:09:22 BST 2007

On 9/20/07, Alex Mauer <hawke at hawkesnest.net> wrote:
> I'm assuming that the vast majority of railway=subway in the world is
> below ground, and therefore that requiring an additional tunnel=yes tag
> on 90% or more of the subway ways, is not as good as treating the
> below-ground portions as a lower layer (whether it's -1 or -2 or -10000
> is beside the point)

But, what's wrong with then saying tunnel=yes;layer=-1 should be the default
for railway=subway, if those tags aren't present, and then have people
override them for bits of subways in cuttings or above ground?  Which is
what Robert was suggesting in the first place.

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