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Old January 2nd, 2014, 07:34 AM   #7181
ranshining
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Quote:
Originally Posted by hmmwv View Post
Nanjing-Hefei was built as a passenger-freight mixed use line, however when it opened it was designated as a PDL. So right now there is no direct Nanjing-Hefei freight line.
Thanks for the clarification, what I meant was that was the consideration in designing the line to a lower maximum speed in the first place.
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Old January 6th, 2014, 04:56 AM   #7182
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HSR network map 2014

I did some translation job on a HSR map posted on local forum by 二十八号生
  • Red lines: 300+ km/h
  • Blue lines: 200+ km/h
  • Dotted lines: to be opened in 2014

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Old January 6th, 2014, 06:06 AM   #7183
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A network is slowly taking shape.
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Old January 6th, 2014, 07:23 AM   #7184
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That map is very helpful, thanks bigd-dog!

I didn't realize the Wuhan-Xianning Intercity Railway was 350km/h design speed.
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Old January 6th, 2014, 08:20 PM   #7185
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There's a line under construction Chongqing-Chengdu via Neijiang.
Where does that fit in the scheme?
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Old January 6th, 2014, 11:37 PM   #7186
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Including Taiwan yet not HK?
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Old January 7th, 2014, 01:07 AM   #7187
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Does the line to Hong Kong open in 2014?
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Old January 7th, 2014, 01:09 AM   #7188
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HK high speed line is still UC. They said it will be operational in 2015.
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Old January 7th, 2014, 06:23 AM   #7189
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Yichang - Lichuan has top speed only 160 km/h, even though it was originally intended to be 200. See picture posted by flankerjun above. That's a major obstacle to achieving HSR service between Sichuan basin and the rest of China. A high speed link between Chongqing and Changsha is still under discussion among relevant authorities. If that gets completed before 2020, then a fully integrated high speed network may actually emerge assuming other key lines are finished by then.
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Old January 7th, 2014, 07:57 AM   #7190
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Quote:
Originally Posted by silent_dragon View Post
HK high speed line is still UC. They said it will be operational in 2015.
Is Longhua-Futian high speed railway on schedule to open within 2014?
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Old January 7th, 2014, 10:55 AM   #7191
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Quote:
Originally Posted by ranshining View Post
Yichang - Lichuan has top speed only 160 km/h, even though it was originally intended to be 200. See picture posted by flankerjun above. That's a major obstacle to achieving HSR service between Sichuan basin and the rest of China. A high speed link between Chongqing and Changsha is still under discussion among relevant authorities. If that gets completed before 2020, then a fully integrated high speed network may actually emerge assuming other key lines are finished by then.
Fortunately that's only a 288km section, in the grand scheme of things its effect on the overall travel time is not critical. Considering how difficult it is already to build the 160km/h line I wouldn't want to push it. What they should have done is make Nanjing-Yichang 300km/h instead of 200km/h, that'll have a huge impact.
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Old January 7th, 2014, 12:06 PM   #7192
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Quote:
Originally Posted by hmmwv View Post
Fortunately that's only a 288km section, in the grand scheme of things its effect on the overall travel time is not critical. Considering how difficult it is already to build the 160km/h line I wouldn't want to push it. What they should have done is make Nanjing-Yichang 300km/h instead of 200km/h, that'll have a huge impact.
It's certainly a great engineering achievement given the difficult terrain and I agree the Nanjing - Yichang portion has a larger effect on the overall time. In the grand scheme Shanghai - Chengdu still requires more than 15 hours if a continuous service is ever run (based on the times of current trains Shanghai - Yichang, Yichang - Lichuan, Lichuan - Chengdu). Maybe possible to squeeze it down a bit, but barely enough to just fit one train per day and not really an improvement compared to a 20 hour overnight train.

The link to Beijing may get better with the completion of Chengdu - Xian, but the coasts are still poorly connected with the Sichuan basin. That's why a link Chongqing - Changsha, (especially if built to 300+ km/h standard) would make a huge difference linking with both Yangtze River delta and Pearl River delta. It's not the original 4+4 scheme, but seems like a great solution. I hope we may hear something about this in the current year.
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Old January 7th, 2014, 07:33 PM   #7193
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Quote:
Originally Posted by ranshining View Post
In the grand scheme Shanghai - Chengdu still requires more than 15 hours if a continuous service is ever run (based on the times of current trains Shanghai - Yichang, Yichang - Lichuan, Lichuan - Chengdu). Maybe possible to squeeze it down a bit, but barely enough to just fit one train per day and not really an improvement compared to a 20 hour overnight train.
Which is why it is important to work out the maintenance schedules of high speed trains so that they could run overnight. A 15 hour overnight train is a huge improvement compared to a 20 hour one, provided the schedule is well chosen.
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Old January 8th, 2014, 10:29 AM   #7194
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Originally Posted by chornedsnorkack View Post
It already has been cut from 5 hours! G381, via Tianjin, takes 4:24.

It is the only G train per day, though. There are 14 D trains between 4:48 and 4:59, 3 D trains 5:02 and 5:04, and 1 D train at 6:10.
Just look at G381 schedule, it seems the you can shave a hour out of the 4:24 from if a direct HSR is constructed to Tangshan rather than taking a detour to Tianjin. The time can be cut down further if Qinghuangdao to Shengyang is running at 300 kmph

The Beijing-Tangshan-Qinghuandao-Shengyang route would have followed the traditional communication link through Shanhai Pass, Which was a pivotal choke point that played a significant role funding of both Qing Dynasty (battle of Shanhai Pass) and PRC (Battle of Jinzhou). The loss of this pass, and line of communication with the entire northeast in 1895 also forced Qing to hastily sign Treaty of Shimonoseki rather than dragging the Japanese into a war of attrition during the first Sino-Japanese War. So I can see a strategic reason to do this, as it provides a alternative route rather than just rely on a single choke point.

In any case, the direct line is a man-against-nature effort through Yan Mountains rather than the far easier and less costlier Shanhai pass near the sea.


Here is the topology in the area.


The Yan Mountains


@big-dog, so the discussion is actually in the general forum rather than the local forum.
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Last edited by luhai; January 8th, 2014 at 10:37 AM.
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Old January 8th, 2014, 12:23 PM   #7195
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Originally Posted by big-dog View Post
HSR network map 2014
Can anyone confirm that Nanning-Wuzhou high speed railway actually has been opened for service? I cannot find either schedules or news reporting actual ticketed scheduled services as occurring.
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Old January 8th, 2014, 07:25 PM   #7196
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Quote:
Originally Posted by luhai View Post
Just look at G381 schedule, it seems the you can shave a hour out of the 4:24 from if a direct HSR is constructed to Tangshan rather than taking a detour to Tianjin. The time can be cut down further if Qinghuangdao to Shengyang is running at 300 kmph

The Beijing-Tangshan-Qinghuandao-Shengyang route would have followed the traditional communication link through Shanhai Pass, Which was a pivotal choke point that played a significant role funding of both Qing Dynasty (battle of Shanhai Pass) and PRC (Battle of Jinzhou). The loss of this pass, and line of communication with the entire northeast in 1895 also forced Qing to hastily sign Treaty of Shimonoseki rather than dragging the Japanese into a war of attrition during the first Sino-Japanese War. So I can see a strategic reason to do this, as it provides a alternative route rather than just rely on a single choke point.

In any case, the direct line is a man-against-nature effort through Yan Mountains rather than the far easier and less costlier Shanhai pass near the sea.


Here is the topology in the area.
http://s10.postimg.org/lnkblc27d/Capture.jpg

The Yan Mountains
http://s28.postimg.org/5xz5q1tq5/img445396.jpg

@big-dog, so the discussion is actually in the general forum rather than the local forum.
After seeing the Yan Mountains picture, the idea of building HSR through that terrain looks like the toughest job ever.
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Old January 8th, 2014, 07:39 PM   #7197
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After seeing the Yan Mountains picture, the idea of building HSR through that terrain looks like the toughest job ever.
Lucky nobody told the Chinese that or if they were told they didn't bother listening.
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Old January 8th, 2014, 08:33 PM   #7198
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Quote:
Originally Posted by chornedsnorkack View Post
Can anyone confirm that Nanning-Wuzhou high speed railway actually has been opened for service? I cannot find either schedules or news reporting actual ticketed scheduled services as occurring.
Speed tests started 2013-12-26 according to http://www.gx.xinhuanet.com/dtzx/wzs..._118735017.htm
Strange comment there of max. operating speed 160km/hr.
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Old January 8th, 2014, 08:40 PM   #7199
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Quote:
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After seeing the Yan Mountains picture, the idea of building HSR through that terrain looks like the toughest job ever.
Yan Mts - a few tens of kilometres, compare to the gnarly distances to get to Sichuan or Yunnan.
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Old January 8th, 2014, 10:02 PM   #7200
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Lucky nobody told the Chinese that or if they were told they didn't bother listening.
I think I missed the part/post where they're actually building HSR through the mountains??? It will be a feat of engineering when they get it completed.

I thought someone joking about building a line through there.
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