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Old December 8th, 2012, 07:40 PM   #2261
Restless
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BBC just did a documentary on some roads and railway construction in China.

You can see it in the first 20minutes here

http://www.bbc.co.uk/iplayer/episode...e_Way_We_Move/
http://www.youtube.com/watch?v=Nxqwgpvk9Uc

But you may have to use a UK proxy to download it from the BBC website

Ping me if you need the IP address of a suitable proxy.
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Old December 8th, 2012, 08:19 PM   #2262
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Quote:
Originally Posted by CNGL View Post
8th December 2012: A new alignement for G40 between Yangzhou and Nanjing has opened to traffic. 76 km. Apparently the old expressway was substandard. It will remain as G328.
The old expressway had only 2x2 lanes. Normally they widen them, but apparently it was easier to construct an entirely new alignment. This area has very densely populated countryside.

The G328 number is weird though. Usually they don't apply G-xxx numbers to expressways. The only other instance I know is G107 in Guangdong.
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Old December 9th, 2012, 12:44 AM   #2263
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Quote:
Originally Posted by ChrisZwolle View Post
The old expressway had only 2x2 lanes. Normally they widen them, but apparently it was easier to construct an entirely new alignment. This area has very densely populated countryside.

The G328 number is weird though. Usually they don't apply G-xxx numbers to expressways. The only other instance I know is G107 in Guangdong.
When you're travelling from England to Scotland on the 3x3 highway, you can see the remains of the previous 2x2 highway that was abandoned.
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Old December 15th, 2012, 09:51 PM   #2264
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Xinyang Expressway

According to Google Maps, there are two separate expressways with the same name.

* S38 Xincai - Biyang Expressway, Henan

* S49 Xuyi - Xinyi Expressway, Jiangsu

I think the second one has a wrong name (Xuyi - Xinyi would rather create a portmanteau like the Xuxin Expressway or Xinxu Expressway).
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Old December 16th, 2012, 06:21 AM   #2265
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S49 is Xinyi-Yangzhou Expressway.
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Old December 16th, 2012, 03:56 PM   #2266
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Quote:
Originally Posted by ChrisZwolle View Post
According to Google Maps, there are two separate expressways with the same name.

* S38 Xincai - Biyang Expressway, Henan

* S49 Xuyi - Xinyi Expressway, Jiangsu

I think the second one has a wrong name (Xuyi - Xinyi would rather create a portmanteau like the Xuxin Expressway or Xinxu Expressway).
Not in hanzi, though: Henan S38 is 新阳高速, while Jiangsu S49 is 新扬高速. Just tone variation. And, as hmmwv said, the S49 will run to Yangzhou, I believe it will cut through Anhui.
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Old December 30th, 2012, 09:30 PM   #2267
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Interestingly the G3 Jingtai Expressway has an undivided bridge across the Yangtze River at Tongling. Substandard segments like these are very rare in China. It's also quite old (by Chinese standards), it opened in 1995, which means it may have been designed in the late 1980s, before the grand age of expressway construction.

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Old December 31st, 2012, 05:01 PM   #2268
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2012 expressway construction

2012 has once again been a very active year in Chinese expressway construction. About 11 000 kilometers of new expressway was opened.

According to my data, China currently has 91 157 kilometers of expressways.

Note that I have filtered my data for concurrencies, something I feel the official statistics have not, which mean some routes are counted twice if two (or even three) numbers run across the same expressway. I also excluded Taiwan for practical reasons.

The largest network is in Henan province, with 5 696 kilometers of expressway. Hebei is second with 4 929 kilometers and Guangdong is third with 4 700 kilometers of expressway.

Most expressway construction in 2012 has been in inland China. In fact, Shanghai, Beijing and Tianjin opened no new expressways. Chongqing opened only a few. Most expressway construction has been in provinces like Hunan, Henan, Jiangxi, Liaoning, Shanxi, Sichuan and Xinjiang.

Most national expressways, indicated with a 1, 2 or 4-digit G-number, have been completed, except in south central and southwestern China. G30, the Kazakhstan to Chinese Sea Expressway, has also been completed this year, enabling the first border-to-border expressway. The focus is now increasingly going to provincial expressway construction. Most provincial expressways are between 50 and 200 kilometers long, occasionally longer.

China has currently the second-largest expressway network in the world, just shy of the American 97 042 kilometer freeway network, however the United States opened only 400 kilometers of new freeway this year, and China will pass the United States in 2013. It will also pass the European motorway network around January 2013 which currently stands at 91 500 kilometers. The Asian continental expressway system became the largest in the world in 2010, largely thanks to the Chinese expressway construction effort.
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Last edited by ChrisZwolle; January 1st, 2013 at 01:53 PM. Reason: revised numbers
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Old December 31st, 2012, 05:54 PM   #2269
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Good stuff Chris
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Old December 31st, 2012, 10:42 PM   #2270
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Also, would the figure of 90922km include urban exprfessways like Beijing rings or Shanghai elevated roads?

Also, how did you come up with the 97 042km figure for US netowrk? The number given in Wikipedia is "approximately 57,000 miles (92,000 km)".
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Old December 31st, 2012, 10:42 PM   #2271
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Yes it does!
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Old December 31st, 2012, 11:00 PM   #2272
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And how many km of new expressway can we expect in 2013?
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Old January 1st, 2013, 01:55 PM   #2273
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I revised the numbers slightly upwards due to new openings in Hainan, Fujian and Guangdong.

Quote:
Originally Posted by Pansori View Post
Also, how did you come up with the 97 042km figure for US netowrk? The number given in Wikipedia is "approximately 57,000 miles (92,000 km)".
Simply counting every freeway and correcting them for concurrencies. It's a lot of work, I have an excel file which is sorted by state and it has over 1 400 lines. The Chinese excel file has 670 lines. The U.S. system is somewhat more fragmented, with more shorter (sub)urban and rural routes than in China.
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Old January 1st, 2013, 02:14 PM   #2274
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Are you planing to publish your data somewhere or maybe update wikipedia? Something like this might be of interest to a wider audience than just us here.
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Old January 1st, 2013, 03:00 PM   #2275
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Original research is not allowed on Wikipedia. They rather have no or outdated data.
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Old January 1st, 2013, 03:28 PM   #2276
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Quote:
Originally Posted by ChrisZwolle
Original research is not allowed on Wikipedia. They rather have no or outdated data.
You can put the lenght figures if you quote the sources.
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Old January 2nd, 2013, 02:20 AM   #2277
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Quote:
Originally Posted by ChrisZwolle View Post
2012 has once again been a very active year in Chinese expressway construction. About 11 000 kilometers of new expressway was opened.

According to my data, China currently has 91 157 kilometers of expressways.

Note that I have filtered my data for concurrencies, something I feel the official statistics have not, which mean some routes are counted twice if two (or even three) numbers run across the same expressway. I also excluded Taiwan for practical reasons.

The largest network is in Henan province, with 5 696 kilometers of expressway. Hebei is second with 4 929 kilometers and Guangdong is third with 4 700 kilometers of expressway.

Most expressway construction in 2012 has been in inland China. In fact, Shanghai, Beijing and Tianjin opened no new expressways. Chongqing opened only a few. Most expressway construction has been in provinces like Hunan, Henan, Jiangxi, Liaoning, Shanxi, Sichuan and Xinjiang.

Most national expressways, indicated with a 1, 2 or 4-digit G-number, have been completed, except in south central and southwestern China. G30, the Kazakhstan to Chinese Sea Expressway, has also been completed this year, enabling the first border-to-border expressway. The focus is now increasingly going to provincial expressway construction. Most provincial expressways are between 50 and 200 kilometers long, occasionally longer.

China has currently the second-largest expressway network in the world, just shy of the American 97 042 kilometer freeway network, however the United States opened only 400 kilometers of new freeway this year, and China will pass the United States in 2013. It will also pass the European motorway network around January 2013 which currently stands at 91 500 kilometers. The Asian continental expressway system became the largest in the world in 2010, largely thanks to the Chinese expressway construction effort.
Thanks for the stats, the building pace is simply incredible. Is there a set total number of km. that they are aiming form?
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Old January 2nd, 2013, 02:42 AM   #2278
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Quote:
Originally Posted by ChrisZwolle View Post
Original research is not allowed on Wikipedia. They rather have no or outdated data.
They rather have wrong data. Wikipedia is a joke. That if journalists say a railway is 2298 km long, it must be 2298 km long. But what if you can only measure 2100 km long from a map/gps record/satellite images/whatever? They don't care.
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Old January 2nd, 2013, 07:39 AM   #2279
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Quote:
Originally Posted by ChrisZwolle View Post
2012 has once again been a very active year in Chinese expressway construction. About 11 000 kilometers of new expressway was opened.

According to my data, China currently has 91 157 kilometers of expressways.

Note that I have filtered my data for concurrencies, something I feel the official statistics have not, which mean some routes are counted twice if two (or even three) numbers run across the same expressway. I also excluded Taiwan for practical reasons.

The largest network is in Henan province, with 5 696 kilometers of expressway. Hebei is second with 4 929 kilometers and Guangdong is third with 4 700 kilometers of expressway.

Most expressway construction in 2012 has been in inland China. In fact, Shanghai, Beijing and Tianjin opened no new expressways. Chongqing opened only a few. Most expressway construction has been in provinces like Hunan, Henan, Jiangxi, Liaoning, Shanxi, Sichuan and Xinjiang.

Most national expressways, indicated with a 1, 2 or 4-digit G-number, have been completed, except in south central and southwestern China. G30, the Kazakhstan to Chinese Sea Expressway, has also been completed this year, enabling the first border-to-border expressway. The focus is now increasingly going to provincial expressway construction. Most provincial expressways are between 50 and 200 kilometers long, occasionally longer.

China has currently the second-largest expressway network in the world, just shy of the American 97 042 kilometer freeway network, however the United States opened only 400 kilometers of new freeway this year, and China will pass the United States in 2013. It will also pass the European motorway network around January 2013 which currently stands at 91 500 kilometers. The Asian continental expressway system became the largest in the world in 2010, largely thanks to the Chinese expressway construction effort.
Thanks for the data. Appreciate if breakdowns are available so we can compare with different sources.

Great work!
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Old January 2nd, 2013, 11:00 PM   #2280
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Quote:
Originally Posted by big-dog View Post
Thanks for the data. Appreciate if breakdowns are available so we can compare with different sources.

Great work!
The National Bureau of Statistics should have the 2012 figures published soon enough, with the breakdown by province.

At the moment, they just have the 2011 data

http://www.stats.gov.cn/english/stat...ta/yearlydata/
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