On 30 Apr, 16:56, thoss wrote:
Are there any plans to install gates at the top of platforms 15/16, to
separate tube from national rail platforms?

No, all the high numbered platforms will be part of one area:
http://londonconnections.blogspot.co...ket-gates.html

U

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http://londonconnections.blogspot.com/
A blog about transport projects in London