by east point
Any one know if Amtrak has closed one of the North river bores for extended work during this cut back of trains serving NYP. That would depend on NJT having cut back enough ?
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Tadman wrote: ↑Fri Apr 03, 2020 9:21 am That's a good question.Depends. What's Amtrak's current schedule NEC+LD schedule? Is it hourly service on the Regionals with a sprinkling of LD's? If they can single track (6 trains an hour!) and have NJT go heavy Hoboken, that may work. But I think you may have some passengers going to Boston from DC (and reverse). I doubt you can shut the tunnels completely down.
Given that Acela is off and the schedule is so limited, what's to keep from diverting all NYP trains from Washington into Hoboken for a few weeks and doing tunnel work? Maybe truncate the Silvers at Washington as well or just run the coaches up north, while the sleepers/diners are serviced at Washington. The real question is, could a heavily cut back NJT and Amtrak be housed at Hoboken for four weeks?
AC4619 wrote: ↑Fri Apr 03, 2020 12:06 pm Also: I do not buy 6 per hour. That is an estimate if you use bidirectional flow. If you stack things so 30 minutes are northbound, 30 minutes southbound, capacity is more like 10-12 per hour if done right. And that's DEFINITELY more than enough.From earlier in this thread...
STrRedWolf wrote: ↑Sat Feb 29, 2020 9:04 am The figure I've heard is that if you go down to 1 tube, the amount of trains going through the tunnels goes from 26 per hour down to 6 per hour. (Wikipedia says the limit is 24 going down to 9).
I can believe that figure of 24 down to 6. Assume 24 one-ways in two tubes. That's 12 in one tube one way no switching... or a train every 5 minutes. The distance between interlocks (BERGEN to A) is 3.4 miles (per Wikimapia measurement). The trains have to clear that entire stretch before switching directions... which takes time.
Anyone know what the speed limit is in this stretch?
Wash wrote: ↑Sat Feb 29, 2020 12:34 pm I believe the speed limit in the tubes themselves is 60 mph.
STrRedWolf wrote: ↑Sun Mar 01, 2020 11:01 am Mile a minute, so it's roughly 3.4 minutes travel time... but probably slightly more to clear the interlocks and to reconfigure the interlocks, so 5 minutes is probably a good round figure.Where should I send the bill?
12 in one direction in an hour, 6 in a half hour... take out two slots for clearance, track switching... and the trains are going to be idle once the signal hits proceed...
Yeah, 6/hour both directions in one tube is likely the max. 9 is assuming a lot about switching and train speed, which physics doesn't really bear out.
Gilbert B Norman wrote: ↑Wed Apr 01, 2020 12:42 pmPlace your bets, everyone; "will it or won't it" (Gateway) be included within this proposed legislation:I'll take "Included" ... I will also take the side action of naming as "Trump Tunnel".
David Benton wrote: ↑Fri Apr 03, 2020 5:27 pm Seems like an ideal opportunity to close a tube. One possible problem, availability of personnel. Ideally you would have workers self isolate for 2 weeks before starting , that gives you time to work out social distancing rules / techniques, then have them isolate / restricts contacts whilst the work is in progress. Reimburse them accordingly. Would there be enough personnel available?From within the construction industry, it depends on the project. Construction hasn’t been formally designated “an essential industry” as a whole by the Federal government, but to my knowledge every state government has been treating the entire industry as such - that’s at least the case in DC, Maryland and Virginia and in New York. Everyone has been getting PPE (masks, rubber gloves) and at least limited training on do/don’t with COVID-19, and some job sites have been doing temporal separation (one subcontractor works mornings, another evenings, and one third shift/overnight.) I’m also personally aware of a job that had part of its site closed and decontaminated when a worker reported to the hospital and tested positive for COVID.
east point wrote: ↑Wed Apr 01, 2020 7:17 pm Any one know if Amtrak has closed one of the North river bores for extended work during this cut back of trains serving NYP. That would depend on NJT having cut back enough ?They have taken additional outages that were usually relegated to weekends but there isn't a complete closure. It is too bad MOW forces were already involved in long term projects that had already started. This would be the perfect time to undercut or change the rail and/or ties on the High Line.
AC4619 wrote: ↑Fri Apr 03, 2020 12:06 pmThe 6 per hour was an average. There are time periods that have 9 trains heading west or 8 coming east but there isn't as much opposing traffic.
Also: I do not buy 6 per hour. That is an estimate if you use bidirectional flow. If you stack things so 30 minutes are northbound, 30 minutes southbound, capacity is more like 10-12 per hour if done right. And that's DEFINITELY more than enough.