On Saturday 21 November 2015 12:13:37 Richard Owlett wrote:
> My analogy would be "When planning a trip thru NYC, via Grand
> Central and Penn Station, are you really interested in number of
> steps between levels of intervening subway stations?"

Very much so.  I spend much time sorting out just that.  It makes the 
difference between a manageable journey and a non-starter.  Now if it has 
lifts for every level change...  Underground traIns (subway) never do, but 
Railway Trains sometimes do.  Hence the planning.

Lisi

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