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<p>The current European Infrastructure Technical Standard for Interoperability (TSI)
allows platform heights of 550mm or 760mm above rail level (ARL). In addition, the
UK currently has a ‘National Technical Rule’ which includes a ‘Specific Case’ allowing
platform heights of 915mm ARL, reflecting the historic platform height on the majority
of our existing network.</p><p> </p><p>HS2 is not, as such, proposing to specify a
train floor height. What we will be asking rolling stock manufacturers (RSMs) to do
is to provide level access to a platform height of 1115mm, or, if they do not believe
that is achievable, to tell us at what height platform they could provide level access.</p><p>
</p><p>We have proposed to the European Commission an amendment to the current European
standards to allow for our preferred platform height and we remain in discussions
with them with a view to securing the ability to adopt our preferred platform height
through these or alternative means.</p>
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