Despite a Deadly Crash, Rail System Has Good Safety Record
While the crash is still talked about in China today, statistics suggest that China’s high-speed trains have actually proved to be one of the world’s safest transportation systems so far. Less clear is how long that safety record will last.
Government data shows that the system has carried about 1.8 billion passengers since the start of Rail experts inside and outside China say they are not aware of any fatal crashes other than the one near Wenzhou. They also note that obsessive attention to the rail system by social media users means that it would be nearly impossible to cover up another fatal high-speed train crash — although there have been unconfirmed reports of pedestrians killed after sneaking past fences and on to the tracks.
Comparing the deaths in the crash two years ago to the number of Chinese high-speed train trips completed without loss of life over the last several years suggests that the trains have been exceptionally safe overall, said Arnold I. Barnett, a mathematician at the Massachusetts Institute of Technology who is one of the world’s best-known experts on aviation safety statistics.
“Chinese high-speed rail has so far established a mortality-risk level that equals or exceeds that of the world’s safest airlines,” Mr. Barnett wrote in an e-mail.
The high-speed rail system’s safety record is particularly good compared with the record of China’s roads, which are 6 to 20 times as deadly per million registered vehicles as in the United States.
China’s aviation system had a poor safety record until the when it worked very closely with the Federal Aviation Administration in the United States to revamp its procedures. The passenger death risk per flight has improved since then, but it remained nearly double the level in the United States from through , according to Mr. Barnett’s statistics.
It is also unreliable. an online aviation data service, calculates that so far this year, Shanghai and Beijing have had far worse on-time departure records than major international airports in any other country that the company tracks, with as few as one in six flights leaving on time — another reason Chinese travelers are switching to high-speed trains.
China’s high-speed rail system faces a huge challenge in maintaining its own safety record of the last two years. And that is not just because of its sheer size, operating nearly rain trips a day.
China borrowed a mishmash of technologies from major rail companies around the world and then built the system in record time, often relying on domestically produced parts for reasons of nationalism and cost. Settling and sinking of the land underneath the foundations of rail viaducts has already been a concern.
Another worry is that China opted not to use expensive chemical hardening agents for the concrete viaducts, which could result in their showing premature wear and tear. That could limit top speeds, which were already reduced to 186 miles per hour from 217 m.p.h. after the crash two years ago.
The government is now extending high-speed rail lines into seismically active areas of western China that have had many earthquakes since the deadly Sichuan quake in Earthquakes are a hazard for trains not just because they can move tracks out of alignment, but also because they can disrupt signaling equipment.
By
Ganesh Kushwaha [ DIAM ]
Executive Air Ticketing & Reservations
www.AeroSoftCorp.com
www.AeroSoft.in
www.AeroSoft.co.in
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While the crash is still talked about in China today, statistics suggest that China’s high-speed trains have actually proved to be one of the world’s safest transportation systems so far. Less clear is how long that safety record will last.
Government data shows that the system has carried about 1.8 billion passengers since the start of Rail experts inside and outside China say they are not aware of any fatal crashes other than the one near Wenzhou. They also note that obsessive attention to the rail system by social media users means that it would be nearly impossible to cover up another fatal high-speed train crash — although there have been unconfirmed reports of pedestrians killed after sneaking past fences and on to the tracks.
Comparing the deaths in the crash two years ago to the number of Chinese high-speed train trips completed without loss of life over the last several years suggests that the trains have been exceptionally safe overall, said Arnold I. Barnett, a mathematician at the Massachusetts Institute of Technology who is one of the world’s best-known experts on aviation safety statistics.
“Chinese high-speed rail has so far established a mortality-risk level that equals or exceeds that of the world’s safest airlines,” Mr. Barnett wrote in an e-mail.
The high-speed rail system’s safety record is particularly good compared with the record of China’s roads, which are 6 to 20 times as deadly per million registered vehicles as in the United States.
China’s aviation system had a poor safety record until the when it worked very closely with the Federal Aviation Administration in the United States to revamp its procedures. The passenger death risk per flight has improved since then, but it remained nearly double the level in the United States from through , according to Mr. Barnett’s statistics.
It is also unreliable. an online aviation data service, calculates that so far this year, Shanghai and Beijing have had far worse on-time departure records than major international airports in any other country that the company tracks, with as few as one in six flights leaving on time — another reason Chinese travelers are switching to high-speed trains.
China’s high-speed rail system faces a huge challenge in maintaining its own safety record of the last two years. And that is not just because of its sheer size, operating nearly rain trips a day.
China borrowed a mishmash of technologies from major rail companies around the world and then built the system in record time, often relying on domestically produced parts for reasons of nationalism and cost. Settling and sinking of the land underneath the foundations of rail viaducts has already been a concern.
Another worry is that China opted not to use expensive chemical hardening agents for the concrete viaducts, which could result in their showing premature wear and tear. That could limit top speeds, which were already reduced to 186 miles per hour from 217 m.p.h. after the crash two years ago.
The government is now extending high-speed rail lines into seismically active areas of western China that have had many earthquakes since the deadly Sichuan quake in Earthquakes are a hazard for trains not just because they can move tracks out of alignment, but also because they can disrupt signaling equipment.
By
Ganesh Kushwaha [ DIAM ]
Executive Air Ticketing & Reservations
www.AeroSoftCorp.com
www.AeroSoft.in
www.AeroSoft.co.in
www.AeroSoftseo.com
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