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Recliner[_3_] · February 29th 16, 09:00 AM posted to uk.transport.london

wrote:
On Thu, 25 Feb 2016 23:25:02 +0000
Neil Williams wrote:
On 2016-02-25 16:05:52 +0000, d said:

Because the loading gauge at platform level is about a foot narrower
than about a foot above it, also because space is needed under the
floor for engines and similar equipment on a modern MU.

Whats that got to do with making the platforms the same height as the train
floor?

The reason why the train is about a foot narrower at platform height is
because of the protrusion of the platform.

So shave the platforms back and raise them. Whats the big deal?

That's effectively what the raised short humps on many Tube platforms do.