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Abbey Wood, latest pictures
On 02/09/2016 22:13, Recliner wrote:
Incidentally, how are the Crossrail lines named in terms of "up" and "down"? I've read that it will use Tube-like Eastbound and Westbound on its own segregated tracks. Presumably it'll use the existing Up and Down terms on shared tracks, like the GWML. That makes sense. While it would be possible to change from Up to Down at (say) Pudding Mill Lane portal, I doubt they want the risks of confusion. |
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Abbey Wood, latest pictures
Clive D.W. Feather wrote:
On 02/09/2016 22:13, Recliner wrote: Incidentally, how are the Crossrail lines named in terms of "up" and "down"? I've read that it will use Tube-like Eastbound and Westbound on its own segregated tracks. Presumably it'll use the existing Up and Down terms on shared tracks, like the GWML. That makes sense. While it would be possible to change from Up to Down at (say) Pudding Mill Lane portal, I doubt they want the risks of confusion. If Crossrail does use Up and Down, I think Farringdon would be the datum point, just as it is for Thameslink. |
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Abbey Wood, latest pictures
On 14.09.16 10:46, Clive D.W. Feather wrote:
On 02/09/2016 22:13, Recliner wrote: Incidentally, how are the Crossrail lines named in terms of "up" and "down"? I've read that it will use Tube-like Eastbound and Westbound on its own segregated tracks. Presumably it'll use the existing Up and Down terms on shared tracks, like the GWML. That makes sense. While it would be possible to change from Up to Down at (say) Pudding Mill Lane portal, I doubt they want the risks of confusion. Is that the way it works on Thameslink? I notice that the starter at SPILL has a D theatre-light indication. Does that indicate down? |
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Abbey Wood, latest pictures
On Wed, 14 Sep 2016 17:23:40 +0100, "
wrote: On 14.09.16 10:46, Clive D.W. Feather wrote: On 02/09/2016 22:13, Recliner wrote: Incidentally, how are the Crossrail lines named in terms of "up" and "down"? I've read that it will use Tube-like Eastbound and Westbound on its own segregated tracks. Presumably it'll use the existing Up and Down terms on shared tracks, like the GWML. That makes sense. While it would be possible to change from Up to Down at (say) Pudding Mill Lane portal, I doubt they want the risks of confusion. Is that the way it works on Thameslink? The KSW2 sectional appendix uses Up v Down for both sides away from the zero point 4 chains north of Farringdon substation/62 chains south of Farringdon station, at least for what little of the northerly route (abutting LN3213) shows in SO280 of the Kent/Sussex/Wessex appendix. http://www.ontracconnect.co.uk/files...20MCL.2970.pdf [East Midlands route engineering arrangements WON 07 2015/2016] also uses Up v Down for LN3213 Farringdon to Kentish Town junction. I notice that the starter at SPILL has a D theatre-light indication. Does that indicate down? |
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Abbey Wood, latest pictures
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#7
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Abbey Wood, latest pictures
On 15.09.16 9:28, Clive D.W. Feather wrote:
On 14/09/2016 18:23, wrote: I notice that the starter at SPILL has a D theatre-light indication. Does that indicate down? It will mean "track D". What "track D" means will depend on the location, and I don't have data for SPILL. Very likely it means "Down Line", with "U" used if the train is being switched to the Up Line. I believe the theatre lamps on SPILL Down indicate an X when crossing over. But if this is the northbound platform, it might be some way of distinguishing Kentish Town from Finsbury Park. Or something else. Possibly. The lines out of Euston are labelled A to E and every signal from Euston to Camden Junction displays the letter of the line the train will be on at the next signal, even if there's no choice. I'm not sure that I understood that? |
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Abbey Wood, latest pictures
On Thu, 15 Sep 2016 15:23:41 +0100, "
wrote: On 15.09.16 9:28, Clive D.W. Feather wrote: On 14/09/2016 18:23, wrote: I notice that the starter at SPILL has a D theatre-light indication. Does that indicate down? It will mean "track D". What "track D" means will depend on the location, and I don't have data for SPILL. Very likely it means "Down Line", with "U" used if the train is being switched to the Up Line. I believe the theatre lamps on SPILL Down indicate an X when crossing over. But if this is the northbound platform, it might be some way of distinguishing Kentish Town from Finsbury Park. Or something else. Possibly. The lines out of Euston are labelled A to E and every signal from Euston to Camden Junction displays the letter of the line the train will be on at the next signal, even if there's no choice. I'm not sure that I understood that? IIRC you will get successive signals on Camden Bank with no intervening points thus no opportunity to change route. |
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Abbey Wood, latest pictures
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#10
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Abbey Wood, latest pictures
Clive D.W. Feather wrote:
On 14/09/2016 18:23, wrote: I notice that the starter at SPILL has a D theatre-light indication. Does that indicate down? It will mean "track D". What "track D" means will depend on the location, and I don't have data for SPILL. Very likely it means "Down Line", with "U" used if the train is being switched to the Up Line. But if this is the northbound platform, it might be some way of distinguishing Kentish Town from Finsbury Park. Or something else. The lines out of Euston are labelled A to E and every signal from Euston to Camden Junction displays the letter of the line the train will be on at the next signal, even if there's no choice. This no-longer appears to be the standard as its not being implemented like that in the forthcoming Cardiff Central resignalling. While no example comes to mind immediately, I'm sure there is at least one place where "D" is the initial of the destination. If the line speeds were lower, Colton Junction could have used "D" for Doncaster and "L" for Leeds. Later this year, Line D will be one of the lines through Cardiff Central (some of the others being A B C and E). Anna Noyd-Dryver |
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