Talk:New York City Subway chaining
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I don't understand the description of the IND zero point; in which direction is the line drawn from W 4th station? Specifically, what's the chaining number of W 4th? --SPUI (talk) 22:35, 8 Feb 2005 (UTC)
[edit] BMT Chaining Table
Great work on the table, Larry!!
Here are some observations:
- We need to distinguish between historic and current issues, especially which parts of chaining lines have been abandoned or changed. I know this is much easier said than done.
- Line A - The info given is historical. Line A now is in two sections. The first section is from 57th Street to south of Prince Street. The second section runs from the middle of the Manhattan Bridge north side to Stillwell Avenue.
- Line C - Lower level of 9th Avenue is still chained C. It is not abandoned, it just doesn't see passenger service. The structure from Fort Hamilton Parkway to Ditmas Avenue is demolished. The original Line C ended at the curve into West 8th Street station.
- Chambers Street chaining zero - we should really show two different entries. It would be better if the zero location was described as Chambers Street (for Williamsburg and Manhattan Bridge routes) and Park Row for Brooklyn Bridge.
- Line H - Historically this began at Chambers Street and zero was Chambers Street. The last time I rode these tracks I didn't check the chaining stations. This should have been chained to the 57th Street zero, but I don't know this for a fact.
- Line K - This began at the eastern end of Park Row, not Sands Street.
- Fulton Ferry Line - this began at Fulton Ferry and ended at Kings County Junction, east of Sands Street station. It was chained from Park Row, then backwards from KC Junction.
- Line L - chaining ended at the junction with Line J and Broadway and Lex.
- Line M - began at Sands Street upper level, not Park Row. The current Line M begins at the junction with Line J east of Broadway-Myrtle station.
- Line N - began at the junction with the Myrtle Avenue Line at Hudson Avenue (not a station).
- Line P - no longer exists. It is now Line Q end-to-end.
- Line Q - now runs from Eighth Avenue to Rockaway Parkway. -- Cecropia 05:56, 12 July 2006 (UTC)
[edit] Handling chaining junctions
This section is certainly informative, but I have a few concerns about it, which is why I've added a {{cleanup}} tag:
- Lack of any references (how can one verify that this is all correct)?
- Inconsistent terminology with rest of subway articles. For instance, BMT Montague Street Tunnel Line, in capitals, suggesting that this is a line that exists; but in fact, on List of New York City Subway lines, there is no such line. Perhaps there should be (see Wikipedia talk:WikiProject New York City Subway#Subway Line rationalization), but at the moment there isn't.
- If "Reverse tying" is important, an example from a line that still exists would be preferable to an example from lines that no longer exist.
- Heavy use of "we" should be reworded (see WP:MOS#Avoid self-referential pronouns).
Again, I wish to stress that I found this very informative, and am casting no aspersions on the effort. Marc Shepherd 16:35, 13 July 2006 (UTC)
[edit] About Chaining Zero Edits
Having ridden 1 trains through the South Ferry loop, and noticing signal numbers, I noticed that the MV chaining zero is definitely not at 96th Street as it was before my edit. If it were, the signal numbers would be MUCH larger than they are. The only image I could find is this one I found on NYCSubway.org. The gap filler signal, 102 PLAT/GF A, is basically signal 102 MV. Track plans show that, indeed the MV zero is located just south of the Bowling Green station (at about M33). R36 12:58, 10 August 2007 (UTC)
Also from the track plans, I've corrected information about the World's Fair Line and IND E. This image shows about where the change of zero occurs. As for IND E, E 733+15 (tied to IND A) is the same location as E 934+97 (tied to IND D). R36 13:33, 10 August 2007 (UTC)
