FRA Issues Rule for New Catagory High Speed Trains

General discussion of passenger rail proposals and systems not otherwise covered in the specific forums in this category, including high speed rail.

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dgvrengineer
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FRA Issues Rule for New Catagory High Speed Trains

Post by dgvrengineer » Wed Nov 21, 2018 2:44 pm

From Progressive Railroading:

https://tinyurl.com/yantxp6u" onclick="window.open(this.href);return false;

Fair Use: " The rule defines a new category of high-speed rail operations, which FRA officials say will make it possible for high-speed trains to use existing infrastructure, saving the cost of building new rail lines.
The new Tier III passenger trains can operate over the shared track at conventional speeds and as fast as 220 mph in areas with exclusive rights of way and without grade crossings, FRA officials said in a press release. Passenger-train manufacturers around the world have used "innovative" design and testing techniques for several years. Yet under the FRA's previous passenger equipment regulations, U.S. rail companies have had limited procurement options or have needed to petition the FRA for waivers to use the newer technologies, FRA officials said."

Sounds like new crash protection standards included in the rule.

bdawe
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Re: FRA Issues Rule for New Catagory High Speed Trains

Post by bdawe » Thu Nov 22, 2018 12:50 pm

Also important to these announcements would be the new tier-1 alternate compliance rules, which broadly legalize "Euronorm" trains for conventional rail service.

Hopefully we can see rapid uptake of the new regulations in Amtrak & Commuter procurement
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CLamb
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Re: FRA Issues Rule for New Catagory High Speed Trains

Post by CLamb » Fri Nov 23, 2018 12:37 am

Can someone provide a link to the new rules? I got lost trying to find it on the FRA website.

bdawe
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Re: FRA Issues Rule for New Catagory High Speed Trains

Post by bdawe » Fri Nov 23, 2018 1:35 am

https://s3.amazonaws.com/public-inspect ... -25020.pdf" onclick="window.open(this.href);return false;
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frequentflyer
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Re: FRA Issues Rule for New Catagory High Speed Trains

Post by frequentflyer » Tue Nov 27, 2018 9:50 am

So I guess Amtrak can order Stadler FLIRT trains now and run them along side of freights.

Now we see why Amtrak held off announcing its Amfleet I replacement.

electricron
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Re: FRA Issues Rule for New Catagory High Speed Trains

Post by electricron » Tue Nov 27, 2018 8:26 pm

Allowing HSR Tier III trains to share tracks with existing speed Tier I trains on Class 4 tracks or lower would allow CHSR trains to share tracks with Caltrain trains between SJ and SF. It would also allow Texas Central HSR trains to run on TRE tracks to Fort Worth at existing TRE speeds, assuming somebody electrifies the TRE corridor.

bdawe
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Re: FRA Issues Rule for New Catagory High Speed Trains

Post by bdawe » Wed Nov 28, 2018 12:26 am

Assuming Texas Central sticks with Japanese rolling stock, probably. they're going to be wavered
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ziggyzack1234
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Re: FRA Issues Rule for New Catagory High Speed Trains

Post by ziggyzack1234 » Fri Nov 30, 2018 4:06 pm

The problem with Dallas/Ft. Worth is that that territory has double stacks running on it, making any electrification a literal tall order. There is also the fact that the N700, while in the single level height range, is a good 6 inches wider than the average American train. If they wanted extra-length pantographs that could probably be done, but they would need to narrow the body of the train itself to about the width of an Amfleet (at its widest point) to be within any of the AAR clearance plates. The high vs. low platform problem may also arise here.


If these issues could be solved then electrifying TRE could be a good interim solution should TCR want to go to Ft. Worth.

MattW
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Re: FRA Issues Rule for New Catagory High Speed Trains

Post by MattW » Sat Dec 01, 2018 1:26 pm

http://testplant.blogspot.com/2013/09/e ... ouble.html" onclick="window.open(this.href);return false;
Now, I don't know if you could keep a line cleared for double stacks and run 220mph with those tall pantographs, but it can be, and has been done.

Nasadowsk
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Re: FRA Issues Rule for New Catagory High Speed Trains

Post by Nasadowsk » Sat Dec 01, 2018 5:40 pm

You wouldn't run freight on a 220mph line anyway, but, for 'last mile' access, you sure could mix the two on a "low" speed line. Common in Europe.

Probably the biggest issue would be noise / drag at high speed from a larger pan, but the Japanese sure have a lot of experience with pantograph design, so I'm sure they can figure out a way to make it work.

ziggyzack1234
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Re: FRA Issues Rule for New Catagory High Speed Trains

Post by ziggyzack1234 » Sun Dec 02, 2018 12:12 pm

Yes, last mile is exactly what I am talking about here. Think about the Mini-Shinkansen concept already in use in Japan, where conventional lines are outfitted for the Shinkansen to use at conventional speeds, in our case likely 80mph.

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