On 20/12/2011 13:22, Neil Williams wrote:
On Dec 20, 2:04 pm, Graeme wrote:

Not insoluble but possibly expensive.

It presumably depends on the size of the curves. SBB IC2000 stock has
upper level gangways only.


I doubt whether SBB IC2000 stock has to cope with curves, both
horizontally and vertically that, say, Sheffield trams have to negotiate.


--
Graeme Wall
This account not read, substitute trains for rail.
Railway Miscellany at http://www.greywall.demon.co.uk/rail