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Old July 9th, 2012, 04:34 PM   #3921
k.k.jetcar
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Quote:
Video taken from the Tokyo Sky Tree showing the grade separation works on the Keisei Oshiage Line between Oshiage and Yahiro.
On a slighly related note, a recent video gives a lineside view of construction progress on the Tohoku Junkan Line between Ueno and Tokyo (to the left of the cab view). It appears one of the approach tracks of said line at Tokyo Station is already being used as a layover track for Tokaido Line trains:



*note the rather steep grade starting from Akihabara. The 3.3% grade (33 per mil) will restrict this line to higher powered EMU consists, most notably the 211 series can't tackle this grade.

Last edited by k.k.jetcar; July 9th, 2012 at 04:45 PM.
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Old July 9th, 2012, 05:01 PM   #3922
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New Tōkyō Metro CM
I'm glad Tokyo Metro was paying attention re. their キャッチコピー phrase "We are the Tokyo Navigator".
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Old July 9th, 2012, 07:51 PM   #3923
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On the video it looks like the distances between stations are comparable to those of bus stops... Too close to one another.
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Old July 9th, 2012, 08:35 PM   #3924
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The short stretch of the Keihin Tohoku Line from Ueno to Okachimachi is the third most congested of all rail lines in the JR East network in the Kanto region, with AM rush hour trains filled to 198% capacity (2010 figures). The volume justifies the short station spacing. There are also rapid trains on the same line that skip the smaller stations, for those that need to travel farther.
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Old July 9th, 2012, 10:22 PM   #3925
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Still I guess the average speed is very, very low.
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Old July 9th, 2012, 11:24 PM   #3926
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Like k.k.jetcar said, the extra capacity provided by two parallel all-stop services (Yamanote Line + Keihin-Tōhoku Line) is needed during the rush hour, as there are loads and loads of passengers transferring from the outer suburban services (Takasaki Line, Utsunomiya Line, and Jōban Line), which currently terminate at Ueno. During other times of the day, the extra capacity isn't so critical, and there are rapid services on the Keihin-Tōhoku Line, which stop at only one of three intermediate stations between Ueno and Tōkyō (Akihabara). The Tōhoku Through Line will improve this situation, though, by extending the outer suburban services south, allowing dedicated all-day rapid service on the complete east side of the Yamanote Line loop, with even fewer stops than the Keihin-Tōhoku Line rapids (no stops between Ueno and Tōkyō, and only one stop between Tōkyō and Shinagawa versus two for the Keihin-Tōhoku Line). Many of the outer suburban riders transferring at Ueno to the Yamanote Line Keihin-Tōhoku Line will no longer need to do that.

Here is the diagram:
http://ja.wikipedia.org/wiki/%E3%83%..._Jukan-sen.svg

Green = Yamanote Line (2 tracks)
Blue = Keihin-Tōhoku Line (2 tracks)
Light orange = Outer suburban services (2 tracks)

The dotted orange is the segment being built right now, which was originally removed to provide ROW for the Tōhoku Shinkansen.

When you've got quad- and six-tracked sections that give you the capacity to provide both fast and slow services, ensuring large station spacing on the slower services is not that important. It's actually better to keep the spacing smaller on the slower services, as this increases the total catchment area of the corridor and the resulting potential ridership. After all, this is central Tōkyō (as opposed to somewhere out in the suburbs, where maintaining larger station spacing is more desirable and practical)... The ridership at the intermediate stations isn't insignificant:

Daily entries
Okachimachi: 70,000
Akihabara: 231,000 (some of this is other lines not in the same corridor)
Kanda: 101,000 (ditto)
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Old July 10th, 2012, 12:27 AM   #3927
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Is there any full track layout scheme of Tokyo Metro, like this one for Moscow?
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Как только проедят напечатанные амерами баблосы, нефтя будет падвацать, хас папиисяд, а толяр - пасто диривянных. И ражко сразу развалиццо. Патаму шо она сичаз разваливаиццо, хотя нефтя ещё не падвацать
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Old July 10th, 2012, 01:09 AM   #3928
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Nothing on a single image like that, but there are ones by line here:
http://okiraku-goraku.com/work/work.html

Go to the 関東圏地下鉄・都電 section.
First three rows of the table are Tōkyō Metro.
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Old July 10th, 2012, 03:41 AM   #3929
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Quote:
Originally Posted by k.k.jetcar View Post
*note the rather steep grade starting from Akihabara. The 3.3% grade (33 per mil) will restrict this line to higher powered EMU consists, most notably the 211 series can't tackle this grade.
Wow! Well, they could always hook up an EF63 to help the 211s.
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Old July 10th, 2012, 05:02 AM   #3930
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Well, the grades on those approaches are why we have these new E233 series...



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Last edited by quashlo; July 10th, 2012 at 05:11 AM.
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Old July 10th, 2012, 09:30 AM   #3931
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They seem to be rather noisy, is that true?
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Old July 10th, 2012, 12:35 PM   #3932
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Quote:
Originally Posted by _Night City Dream_ View Post
Still I guess the average speed is very, very low.
it's ok. it's moscow where average distance is way too long.

+ video was taken on tele zoom, making it looks slow. cab views shouldn't be taken on more than 35mm.
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Old July 10th, 2012, 07:28 PM   #3933
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Quote:
Originally Posted by _Night City Dream_ View Post
They seem to be rather noisy, is that true?
I don't think they're noticeably noisier, at least based on systems I've ridden.

However, I wouldn't try drawing conclusions about noise from YouTube videos, as everybody's recording setup is different. This is particularly true when it comes to railfans, many of whom will buy special equipment like microphones or boost the gain to get better (louder) sound.
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Old July 10th, 2012, 10:19 PM   #3934
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Quote:
Originally Posted by _Night City Dream_ View Post
Still I guess the average speed is very, very low.
There's a simple answer.

This line is like a metro line, with metro like frequencies, speed and short distances between stations. It's not meant to be fast, it's meant to transport as many passengers as possible on short inner city trips.
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Old July 11th, 2012, 09:52 AM   #3935
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KH begins verification tests for Battery Power System on JR East

It's on the JR East Ome Line:

Quote:
Tokyo, July 2, 2012 – Kawasaki Heavy Industries, Ltd. announced today that it has started the verification testing of its wayside energy storage system, the Battery Power System (BPS), with the East Japan Railway Company. This is the first time East Japan Railway has installed a wayside energy storage system on a revenue service line. Results of this test will be used to evaluate the benefits of the BPS, the only wayside energy storage system to be directly connected to the feeder line.
http://www.khi.co.jp/english/news/de...120702_1e.html

description of system:
http://www.khi.co.jp/english/gigacell/use/bps.html

Nikkei article (Japanese):
http://www.nikkei.com/article/DGXNAS...2A700C1000000/
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Old July 11th, 2012, 12:12 PM   #3936
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Quote:
Originally Posted by coth View Post
it's ok. it's moscow where average distance is way too long.
OK, I didn't know it was taken with a zoom in.

But I disagree, Moscow distances are optimal. It's not too long not to short, which works to the advantage of both a good coverage and a relatively high speed.

In Paris, the new line 14 has much longer distances compared to other 13 lines and is comparable to Moscow's. The new project suggests a new metro which is Moscow metro-like in terms of distances.

Momo, could you tell me how far the stations in the movie are from one another?
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Old July 11th, 2012, 12:14 PM   #3937
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Quote:
Originally Posted by Momo1435 View Post
There's a simple answer.

This line is like a metro line, with metro like frequencies, speed and short distances between stations. It's not meant to be fast, it's meant to transport as many passengers as possible on short inner city trips.
In lots of cities metro is the fastest way to travel within cities...
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Old July 11th, 2012, 12:44 PM   #3938
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Quote:
Originally Posted by _Night City Dream_ View Post
OK, I didn't know it was taken with a zoom in.

But I disagree, Moscow distances are optimal. It's not too long not to short, which works to the advantage of both a good coverage and a relatively high speed.

In Paris, the new line 14 has much longer distances compared to other 13 lines and is comparable to Moscow's. The new project suggests a new metro which is Moscow metro-like in terms of distances.

Momo, could you tell me how far the stations in the movie are from one another?
Paris already have metro station every 100m within historical center. While in Moscow historical city it's hard to find a station within 600-700m of walking distance. Moscow metro was always been considered as analog with western suburban railways, rather than city railways.
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Old July 11th, 2012, 11:56 PM   #3939
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100 meters between station in Paris is not true. You might find several cases but it's not the general rule. And then, Paris is really special form that point. In many other European systems distances are longer.

Anyway now even in Paris there are no plans to build new lines both in the center or on the outskirts that have same distances as they got used. New plans are for longer distances, over 1 km and even in the center.

All Shanghai metro is Moscow-type like in terms of distances, too. Modern lines almost everywhere are now designed to provide good service but with longer distances between stations as it increases the speed.
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Old July 12th, 2012, 05:13 AM   #3940
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could you tell me how far the stations in the movie are from one another?
Ueno-Okachimachi 600m
Okachimachi-Akihabara 1000m
Akihabara-Kanda 700m
Kanda-Tokyo 1300m
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