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Old February 6th, 2014, 11:02 PM   #3081
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Quote:
Originally Posted by _Night City Dream_ View Post
I mean many lines in Shanghai being served by A trains still can't meet the demand successfully. Why not to reduce intervals there, too?
Rolling stock and personal shortage.
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Old February 7th, 2014, 10:42 AM   #3082
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Quote:
Originally Posted by _Night City Dream_ View Post
I mean many lines in Shanghai being served by A trains still can't meet the demand successfully. Why not to reduce intervals there, too?
I'm sure when push comes to the shove the signalling will be upgraded, but as saiho says lack of rolling stock (and staff) availability are short term factors too.

Signalling upgrades won't be pretty though, hello to London-style weekend engineering closures ...
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Old February 7th, 2014, 12:49 PM   #3083
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Quote:
Originally Posted by NCT View Post
I'm sure when push comes to the shove the signalling will be upgraded, but as saiho says lack of rolling stock (and staff) availability are short term factors too.

Signalling upgrades won't be pretty though, hello to London-style weekend engineering closures ...
No way, you couldn't shut down the metro for days at time, it's the backbone of every modern city!
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Old February 7th, 2014, 05:07 PM   #3084
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No way, you couldn't shut down the metro for days at time, it's the backbone of every modern city!
They most certainly can close sections of the metro...
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Old February 7th, 2014, 08:17 PM   #3085
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Quote:
Originally Posted by _Night City Dream_ View Post
I mean many lines in Shanghai being served by A trains still can't meet the demand successfully. Why not to reduce intervals there, too?
Out of the over capacity A size lines

Lines 1 and 2 are constrained by signalling systems

Lines 4 and 3 are constrained by signalling systems in the interlined portion (will be separated).

So far out of the new generation A size lines only Line 7 and 9 are at capacity and they run trains every 4-6 min during rush hour which is hardly "at capacity".

Last edited by saiho; February 8th, 2014 at 05:59 AM.
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Old February 7th, 2014, 09:41 PM   #3086
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On old 1st gen lines (1, 2, 3 and 4) the signalling system can only handle up to 2.5 min per train.
I can attest that Line 2 is not running at a rate of 2.5 minutes during rush hours - its more like 4 minutes. Example: People Square to East Nanjing Road.
Technically it should be possible to put more trains onto the rails.
The problem seems to be the shortage of rolling stock.
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Old February 8th, 2014, 12:36 AM   #3087
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Quote:
Originally Posted by doc7austin View Post
I can attest that Line 2 is not running at a rate of 2.5 minutes during rush hours - its more like 4 minutes. Example: People Square to East Nanjing Road. Technically it should be possible to put more trains onto the rails. The problem seems to be the shortage of rolling stock.
Line 2 is - source I been taking line 2 everyday for the past few weeks at 730.

Sometimes when the next train comes less than a minute after the departure is the first train. This happens when the gap between the two trains is so short the second train stops in the tunnel for the clearance of the first train.
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Old February 18th, 2014, 10:27 PM   #3088
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Still the trains waste too much time at the stations, thus reducing considerably the average speed on the line.
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Old February 18th, 2014, 11:20 PM   #3089
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Are they also being conservative to allow extra boarding time? I mean afterall the driver has to step out to observe and the train and make sure an okay is given by the platform agents.
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Old February 19th, 2014, 03:56 AM   #3090
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Yes but the point is that it is not long boarding time. A lot of time is wasted between the train stop and opening the doors (!) as well as between closing the doors and leaving.
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Old February 19th, 2014, 04:13 AM   #3091
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Quote:
Originally Posted by _Night City Dream_ View Post
Yes but the point is that it is not long boarding time. A lot of time is wasted between the train stop and opening the doors (!) as well as between closing the doors and leaving.
I remember that discussion about dwelling times in metros in China.

This is what I noticed not only in Shanghai but in other cities too (Guangzhou, Shenzhen). Boarding time (i.e. time with doors opened at platform) in itself is normal and is not 'conservative' or excessive in any way. It's the time at platform with doors closed which is far too long.
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Old February 19th, 2014, 05:30 AM   #3092
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Quote:
Originally Posted by lkstrknb View Post
Here is a video I shot and edited of the Shanghai maglev. Please watch.


https://www.youtube.com/watch?v=83TVw2CJxhk
Most awesome video! Truly the best way to connect an airport to the city. I wish more cities with far away airports would do something like this. Hopefully a further connection could be made to Lujiazui at least.
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Old February 19th, 2014, 11:35 AM   #3093
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Agreed. Great video.

The video shows what I experienced when i traveled on the maglev. The shaking.
You would think that the trip would be really smooth, but IMO it was less smooth than conventional rail.
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Old February 19th, 2014, 12:07 PM   #3094
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Quote:
Originally Posted by Pansori View Post
I remember that discussion about dwelling times in metros in China.

This is what I noticed not only in Shanghai but in other cities too (Guangzhou, Shenzhen). Boarding time (i.e. time with doors opened at platform) in itself is normal and is not 'conservative' or excessive in any way. It's the time at platform with doors closed which is far too long.
I would say it applies for all Chinese cities. And not only door closing time but opening too, which is really strange. The train stops, then passes up to 5 - 10
seconds, then doors open. What for?

The same is for Nanjing, Hangzhou - from my personal experience.
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Old February 19th, 2014, 02:35 PM   #3095
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Quote:
Originally Posted by _Night City Dream_ View Post

I would say it applies for all Chinese cities. And not only door closing time but opening too, which is really strange. The train stops, then passes up to 5 - 10
seconds, then doors open. What for?

The same is for Nanjing, Hangzhou - from my personal experience.
Opening is actually not that bad. It's usually around 4 seconds (still too long) but it's the departure and closing the doors which takes forever. On average 10 to 12 seconds from my experience. Waste of time.

So total of around 15-16 seconds of unproductive dwelling time per stop. It could easily be done with 5 seconds of total unproductive dwelling time as most other metro systems.

Last edited by Pansori; February 19th, 2014 at 02:42 PM.
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Old March 8th, 2014, 02:00 PM   #3096
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March 8

Shanghai metro created ridership record of 8.948 million


Line 2 got 1.58 million, Line 1 got 1.31 million, Line 8 third 0.9 million.

Line 7/11/12 created line ridership records.

--metrofans
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Old March 20th, 2014, 03:15 AM   #3097
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Shanghai will have 9 metro lines under construction in 2014

They are,
  • Line 9 phase III
  • Line 11 Disney link
  • Line 12 West
  • Line 13 phase II
  • Line 16 Longyang Rd section
  • Line 5 South extension (will be U/C in 2014)
  • Line 10 phase II (will be U/C in 2014)
  • Line 13 phase III (will be U/C in 2014)
  • Line 14 (will be U/C in 2014)
  • Line 17 (will be U/C in 2014)



--metrofans
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Old March 20th, 2014, 09:11 AM   #3098
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What is the estimated length of the metro by 2020?
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Old March 20th, 2014, 09:33 AM   #3099
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I guess it would be something in the neighborhood of 700 km.

Big-Dog, any info on what will be introduced in service n 2014, 2015 etc by year? You've said in 2014 there will be only 14 km of new tracks.
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Old March 20th, 2014, 09:38 AM   #3100
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Quote:
Originally Posted by _Night City Dream_ View Post
Big-Dog, any info on what will be introduced in service n 2014, 2015 etc by year? You've said in 2014 there will be only 14 km of new tracks.
Many are U/C but they will take some time to complete. 2016 (or 2017) will be a big metro opening year for Shanghai. As for 2014 only Line 13 extension to Changshou Rd and Line 16 to Longyang Rd will open.
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