'UDS 4' sign at Penkridge?

Discussion in 'Infrastructure & Stations' started by brick60000, 18 Apr 2015.

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  1. brick60000

    brick60000 Member

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    Hi,

    Passing through Penkridge this morning, I noticed a sign that said 'UDS 4' on it. Does anybody know what this is for at all? I thought it might perhaps be a car stop marker or something similar, but am unsure as to what the UDS means! (Apologies of my guess is completely wrong!!)

    Thanks,

    Brick60000
     
  2. Old Hill Bank

    Old Hill Bank Member

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    "Unit De-Select, it's for class 350s paired up stopping at the short platform.

    Similar to Selective Door Opening but you have to apply it to the entire unit.
     
  3. brick60000

    brick60000 Member

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    Ah, I see! Thanks for the reply :)
     
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