PSR and Amtrak

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PSR and Amtrak

Postby bostontrainguy » Wed Jan 09, 2019 2:49 pm

So with just about all of the host freight railroads out there going with some type of scheduled train operation, would this bode well for Amtrak? Wouldn't this create a fairly consistent flow of trains across the networks that would possibly improve Amtrak's timekeeping? Wouldn't it be much easier to add a passenger train into the flow when most trains are running on a scheduled platform?

It certainly seems that the big guys are running fewer trains (albeit much much longer trains with mid DPUs) and this would eliminate many conflicts that exist now.

Perhaps once the host railroads are running their PSR operations at upmost efficiency, adding a new Amtrak train here and there would not be such a difficult task. This is a game changer for freight rail but maybe it could also benefit passenger rail too.
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Re: PSR and Amtrak

Postby mtuandrew » Wed Jan 09, 2019 10:51 pm

If Amtrak doesn’t mind running all of its off-Corridor trains at 40 mph, Precision Scheduled Railroading would be great :P
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Re: PSR and Amtrak

Postby David Benton » Wed Jan 09, 2019 11:49 pm

I would think there would be tougher penalties for missing your "slot" too , i.e Amtrak caused delays .
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Re: PSR and Amtrak

Postby bostontrainguy » Thu Jan 10, 2019 9:01 am

mtuandrew wrote:If Amtrak doesn’t mind running all of its off-Corridor trains at 40 mph, Precision Scheduled Railroading would be great :P


There are going to be large gaps between trains which would allow Amtrak to run at track speed. Say two 40 MPH freight trains leave an hour or two apart from point A. An Amtrak train could be scheduled to leave just before the second train. It might never catch up with the first train because that train enters a yard somewhere or diverges along the way or maybe it waits at a set passing point.

Sure it would take some scheduling models but it certainly could be done and perhaps things might run a bit smoother than they do now.
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Re: PSR and Amtrak

Postby electricron » Thu Jan 10, 2019 3:38 pm

bostontrainguy wrote:
mtuandrew wrote:If Amtrak doesn’t mind running all of its off-Corridor trains at 40 mph, Precision Scheduled Railroading would be great :P


There are going to be large gaps between trains which would allow Amtrak to run at track speed. Say two 40 MPH freight trains leave an hour or two apart from point A. An Amtrak train could be scheduled to leave just before the second train. It might never catch up with the first train because that train enters a yard somewhere or diverges along the way or maybe it waits at a set passing point.

Sure it would take some scheduling models but it certainly could be done and perhaps things might run a bit smoother than they do now.

Which could work in an unrealistic world, but the real world has trains owned and operated by other companies that cross the tracks ahead at diamond crossings that could and will eventually cause the freight out Amtrak train to slow down throwing off your carefully planned schedule timing.

Just as an example, the tracks Amtrak’s Hiawatha trains use has at least five diamond crossings, and that is not including other branches lines and turnouts where there could be conflicting traffic.
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Re: PSR and Amtrak

Postby east point » Thu Jan 10, 2019 7:14 pm

electricron wrote:Railroading would be but the real world has trains owned and operated by other companies that cross the tracks ahead at diamond crossings that could and will eventually cause the freight out Amtrak train to slow down throwing off your carefully planned schedule timing.

Just as an example, the tracks Amtrak’s Hiawatha trains use has at least five diamond crossings, and that is not including other branches lines and turnouts where there could be conflicting traffic.



And of course there is CSX's diamond crossing of NS at Atlanta infoumas Howell CP that has delayed Crescents as much as 1:30.
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