Was just watching a video on YouTube which was filmed at Kings Cross (link). What is the yellow thing that the driver is about to step on as he couples up the 86? My first thought was ATP balise but surely it's in the wrong part of the world. Screen grab attached below.
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Another not a datum plate query
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Looks very much like a balise.
Is it a marked sleeper for shunting purposes ? Its blurry but does it have words written on it ?
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Looks very much like a balise.
Is it a marked sleeper for shunting purposes ?
Gonna have to go with a balise. Checking the video (20min onwards) there are multiple ones all spaced like the balises I go over.
Is it a marked sleeper for shunting purposes ? Its blurry but does it have words written on it ?
--- old post above --- --- new post below ---
Looks very much like a balise.
Is it a marked sleeper for shunting purposes ?
Gonna have to go with a balise. Checking the video (20min onwards) there are multiple ones all spaced like the balises I go over.
Didn't know Kings Cross was ATP enabled - any idea how much of the ECML has it? For some reason I thought it was only on the GWML. Which stock has the necessary equipment fitted?
This is news to me! As far as I'm aware there is no ATP equipped stock on the ECML (well some of the 180s might be I suppose)!
DarloRich
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is it not a hollow sleeper? I cant tell form the picture quality.
It doesn't appear to be. Take a look at the video: here's the 86 coupling up.
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There's one interesting result if you Google image search for 'hollow sleeper'.
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Ah, I see. That makes *way* more sense than ATP balises. Thanks.
swt_passenger
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Balise doesn't always mean ATP though, there are all sorts of other balise fitted out there. There's TASS balises for tilting trains, as well as ASDO already mentioned. They aren't always physically the same either, SWT's ASDO balises are much longer and narrower, well within the width of a sleeper.
Oh, I knew that. I only thought ATP since they seemed to be co-located with signalling. But of course that means they are also co-located with platform ends which makes sense for SDO.
swt_passenger
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It could well be ASDO. However even if not for 700s, 387s will use ASDO, although it is highly likely 700s will be able to divert to Kings Cross, and will run into Kings Cross temporarily before the start of through running. For the system to be fail safe everywhere on a route it will still have to read an ASDO balise on entry to any full length platform, the normal use of the system is for ASDO to be switched on for the whole route by default.
However AIUI the 700's ASDO information is provided from the same balise used by their ETCS/ATO.
The Tracklink 3 system on SWT has a balise at every platform (except for the unelectrifed parts of their network), irrespective of platform length, even if 12 car or longer.
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Indeed --- if no balise is detected, it fails safe to opening 3 coaches (on a 444 at least) IIRC --- as that's the shortest platform an SWT passenger service will need to stop at.
Driver coupling up? My, times have changed.
Indeed but Kings Cross has no need for shunters these days as all the units have auto-couplers and the loco hauled sets are fixed formation.
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