![]() The BMT A/B service pattern was created way before the stole most of those passengers in 1988. What kind of ridership do you need for skip-stop and how much is too much (the reason the was eliminated)? From discussions I've read here and elsewhere, it sounds like it was considered, but not seriously, for the and lines, but not elsewhere. But the was scaled back to rush hours only in 1993, then was eliminated in 2005. I've always wondered why don't they run it for the whole of rush hours (the platform signs would have you believe they do). Is ridership on the line so low during rush outside of that one hour in the morning and evening rush, that the isn't need for the rest of rush hours? Is there some sort of "sweet spot" that ridership on any given line has to meet for skip-stop service to be justified? It was considered for the line, but ultimately shelved, while service started less than a year after service did. They also run the only for an hour in the morning and less than that in the evening, instead of running the for the entire duration of morning and evening rush. I mean, if they really wanted to make the competitive with the, then they would have built the third track/Jamaica Ave bypass and ran a service through the Chrystie Connection. Most Manhattan-bound riders didn't go for it and took the overcrowded from Parsons or Sutphin and still do today. I can see that as a valid reason for the 's creation (would have preferred they used a letter closer to J instead of skipping all the way to Z, but it is what it is), although Transit did attempt to sell it as way to speed riders between Jamaica and Lower Manhattan back in 1988. The general idea is to take the riders from point A to point B with minimal disruptions. With the present system at least passengers can use their selected intervals by planning ahead. If you ran nothing else but trains and had to skip a few stops here and there you just screwed over a passenger who needed a bypassed stop. Of course RCC could skip the train and bypass some stops but it's easier for them to run the current setup. I'd liken it to bus bunching except on the Jamaica line trains are at the mercy of the overcrowded one. If you've ever ridden the northbound IRT in the morning rush hour the same thing happens at Atlantic Avenue with the subway transfers and the LIRR arriving at the same time. All it takes is one train taking on a heavy load and that train and it's followers are automatically late. The reason for the service's creation was to avoid the delays on the Jamaica line. I'm not sure if you are looking at the same picture that I am. In short, the is the weak link that can be easily deleted replaced by service and we can call it a day. Any other route would be detrimental to the places that they serve and without any replacement there would be outrage, or just too much readjustment to be made. If not the it’s be the so we can boost up service as much as we can though the capacity on Broadway, 4th Av and QBL might not allow that. But how Jamaica is now I don’t see much purpose of continuing the service unless it did something different/useful. I think the reasoning behind it is understandable for the time. Of course with the changing demographics of today's and the demolition done at Atlantic Ave it looks like today's service pattern can't be modified much. That was the # 14 service to Canal St while the Jamaica trains were #15 and the Canarsie was #16. BTW that A-B combo I mentioned did run express to Manhattan in the rush. We had local service originating at Atlantic, Eastern Parkway, and a few coming from Rockaway Parkway that used the flyover from the Canarsie to the Broadway ( Brooklyn) lines. Eliminating the just recreates the problem that existed beforehand. Absent a third track on the line this is the best that can be done. The A-B service, like today's combo was created to relieve the jams by having selected trains skip some stops with the followers stopping at the passed stops. Some stations like Sutphin Blvd would be severely crowded because of the LIRR or 160th, 168 because of the buses discharging in the vicinity. It was originally created to relieve the overcrowding and resultant delays on the line during the rush hours. They are a direct replacement for the BMT Jamaica line A and B service from 168th St to Eastern Parkway. It seems that some people don't know the reasoning behind the combo. ![]()
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