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white platform-side plaques

Posted: Fri Sep 12, 2008 10:21 am
by yowie
Can somebody tell me what the white plaques are for, located on the vertical wall of a platform? I can't help noticing them these days. They appear to have a vertical sliding indicator on them. Something to do with measuring the loading gauge?

Thanks

Posted: Fri Sep 12, 2008 7:42 pm
by Roger
I thought I had read somewhere that they were to guide track maintenance teams about the track cambers. I am sure someone more qualified could add to this??

roger