Count Down Board?

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reb0118

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Today's challenge: what is this count down board for?
 

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Tomnick

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If I’m not mistaken, it’s not a countdown marker at all - it’s a ‘loop clear’ marker on an RETB line?
 

reb0118

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If I’m not mistaken, it’s not a countdown marker at all - it’s a ‘loop clear’ marker on an RETB line?
That's my understanding too. However there are subtle differences in the presentation compared to other images of loop clear markers.

NB I'm asking for a friend.
 
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If I’m not mistaken, it’s not a countdown marker at all - it’s a ‘loop clear’ marker on an RETB line?

Do you mean a station limits board?
Its been a while since Ive seen one but I think the board is basically the same but the lines drop left to right.

Its blue so its not a countdown board either, or not one I remember.
With it having 3 bands I would say its for reminding the driver that the second countdown board is next.

In all seriousness though countdown boards can be used to count to anything, signals, crossings, switches even.
 

scotraildriver

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Do you mean a station limits board?
Its been a while since Ive seen one but I think the board is basically the same but the lines drop left to right.

Its blue so its not a countdown board either, or not one I remember.
With it having 3 bands I would say its for reminding the driver that the second countdown board is next.

In all seriousness though countdown boards can be used to count to anything, signals, crossings, switches even.

A station limits board and loop clear marker are the same thing. If you are continuing into section you tell the signaller you have passed the loop clear marker board. If you are shunting then it becomes the station limits board. The one above is a 300yds to the PSI board. It is followed by one with 2 stripes then a single one.
 

61653 HTAFC

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They are yellow and black

Signal ahead countdown boards are white and red.
There's a run of signal countdown boards on the approach to Dewsbury in the Up direction. I'd always wondered what circumstances require them on the railway as they aren't found everywhere. Presumably they're used to assist drivers in places where the chances of a SPAD or missed-call is deemed to be more likely?
 

Llama

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Those are countdown boards to Batley no.8 signal which is an ex-multi spad signal.
 
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