Difference between revisions of "Joo Koon station"
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On 15 November 2017 at 8.18am, 2 [[Kawasaki Heavy Industries & CSR Qingdao Sifang C151A|C151A]] trains collided at Joo Koon MRT station. A train fault caused the first train heading in the direction of {{Stn|Tuas Link}} to stall at the station. A minute later, a second train stopped behind the first and then "moved forward unexpectedly", resulting in the collision. 36 passengers and 2 SMRT staff sustained light to moderate injuries, and have been conveyed to nearby hospitals.<ref>[//www.lta.gov.sg/content/ltagov/en/newsroom/2017/11/2/joint-statement-by-the-land-transport-authority-lta-smrt---joo-koon-train-incident.html "Joint Statement by the Land Transport Authority (LTA) & SMRT - Joo Koon train incident"]. Land Transport Authority (15 November 2017).</ref><ref>[//www.lta.gov.sg/content/ltagov/en/newsroom/2017/11/2/joint-statement-by-the-land-transport-authority-lta-smrt---update-on-train-incident-at-joo-koon-station.html "Update on Train Incident at Joo Koon Station"]. Land Transport Authority (15 November 2017).</ref><ref>[//www.channelnewsasia.com/news/singapore/joo-koon-train-collision-total-number-of-injured-rises-to-38-9420752 "Joo Koon train collision"]. Channel NewsAsia (19 November 2017).</ref> | On 15 November 2017 at 8.18am, 2 [[Kawasaki Heavy Industries & CSR Qingdao Sifang C151A|C151A]] trains collided at Joo Koon MRT station. A train fault caused the first train heading in the direction of {{Stn|Tuas Link}} to stall at the station. A minute later, a second train stopped behind the first and then "moved forward unexpectedly", resulting in the collision. 36 passengers and 2 SMRT staff sustained light to moderate injuries, and have been conveyed to nearby hospitals.<ref>[//www.lta.gov.sg/content/ltagov/en/newsroom/2017/11/2/joint-statement-by-the-land-transport-authority-lta-smrt---joo-koon-train-incident.html "Joint Statement by the Land Transport Authority (LTA) & SMRT - Joo Koon train incident"]. Land Transport Authority (15 November 2017).</ref><ref>[//www.lta.gov.sg/content/ltagov/en/newsroom/2017/11/2/joint-statement-by-the-land-transport-authority-lta-smrt---update-on-train-incident-at-joo-koon-station.html "Update on Train Incident at Joo Koon Station"]. Land Transport Authority (15 November 2017).</ref><ref>[//www.channelnewsasia.com/news/singapore/joo-koon-train-collision-total-number-of-injured-rises-to-38-9420752 "Joo Koon train collision"]. Channel NewsAsia (19 November 2017).</ref> | ||
Investigation found that the first train had a safety protection feature removed when it went over a faulty signalling circuit.<ref name'faultsignal'>[//web.archive.org/web/20171117175406/www.straitstimes.com/singapore/transport/inadvertent-removal-of-software-fix-led-to-collision "Joo Koon collision: 'Inadvertent removal' of software fix led to collision"]. Adrian Lim (Straits Times, 16 November 2017)</ref> That safety protection feature was designed to fix a known bug which wrongly designated the six-car train as a three-car train under certain circumstances.<ref name'faultsignal'/> While the first train was being detrained and the automatic platform doors were opened, a separate protection module was activated to block off the entire length of the platform at Joo Koon station. The module notified the second train's signalling computer that the Joo Koon station's westbound platform was occupied and to stay clear of the platform.<ref name'faultsignal'/> The second train stopped at the correct distance behind the first train while the automatic platform doors were open. However, once the doors were closed, the platform length protection module was removed. When the signalling on the second train detected the first train as only three cars instead of six, it started moving to close the perceived gap between both trains for the distance of three cars, thus allowing the acceleration of the second train and the rear-end collision with the first train.<ref name'faultsignal'/> | Investigation found that the first train had a safety protection feature removed when it went over a faulty signalling circuit.<ref name='faultsignal'>[//web.archive.org/web/20171117175406/www.straitstimes.com/singapore/transport/inadvertent-removal-of-software-fix-led-to-collision "Joo Koon collision: 'Inadvertent removal' of software fix led to collision"]. Adrian Lim (Straits Times, 16 November 2017)</ref> That safety protection feature was designed to fix a known bug which wrongly designated the six-car train as a three-car train under certain circumstances.<ref name='faultsignal'/> While the first train was being detrained and the automatic platform doors were opened, a separate protection module was activated to block off the entire length of the platform at Joo Koon station. The module notified the second train's signalling computer that the Joo Koon station's westbound platform was occupied and to stay clear of the platform.<ref name='faultsignal'/> The second train stopped at the correct distance behind the first train while the automatic platform doors were open. However, once the doors were closed, the platform length protection module was removed. When the signalling on the second train detected the first train as only three cars instead of six, it started moving to close the perceived gap between both trains for the distance of three cars, thus allowing the acceleration of the second train and the rear-end collision with the first train.<ref name='faultsignal'/> | ||
==Layout== | ==Layout== | ||
Revision as of 20:56, 26 July 2020
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TRAVEL ADVISORY | !
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On Sunday, 24 November 2024, Bus Services , , & will be affected by road closure on Nicoll Highway from the First Bus to 10.00am. Please refer here for more information. 
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| Template:Code/1 Joo Koon 裕群 ஜூ கூன்  | |
| Statistics | |
|---|---|
| Address | 91 Joo Koon Circle Singapore 629116 |
| Line(s) | East–West Line |
| Structure | Elevated |
| Connections | File:Bus Logo.png File:Taxi Logo.png |
| Abbreviation | JKN |
Joo Koon (EW29) is a Mass Rapid Transit (MRT) station on the East–West Line.
History
| Date | Event |
|---|---|
| 28 February 2009 | Station officially opens |
Train collision
On 15 November 2017 at 8.18am, 2 C151A trains collided at Joo Koon MRT station. A train fault caused the first train heading in the direction of Tuas Link to stall at the station. A minute later, a second train stopped behind the first and then "moved forward unexpectedly", resulting in the collision. 36 passengers and 2 SMRT staff sustained light to moderate injuries, and have been conveyed to nearby hospitals.[1][2][3]
Investigation found that the first train had a safety protection feature removed when it went over a faulty signalling circuit.[4] That safety protection feature was designed to fix a known bug which wrongly designated the six-car train as a three-car train under certain circumstances.[4] While the first train was being detrained and the automatic platform doors were opened, a separate protection module was activated to block off the entire length of the platform at Joo Koon station. The module notified the second train's signalling computer that the Joo Koon station's westbound platform was occupied and to stay clear of the platform.[4] The second train stopped at the correct distance behind the first train while the automatic platform doors were open. However, once the doors were closed, the platform length protection module was removed. When the signalling on the second train detected the first train as only three cars instead of six, it started moving to close the perceived gap between both trains for the distance of three cars, thus allowing the acceleration of the second train and the rear-end collision with the first train.[4]
Layout
| L3 | Template:Route/3 | |
|---|---|---|
| Platform A/B | ||
| Template:Route/1 | ||
| L2 | Concourse | Faregates, Ticketing Machines, Passenger Service Centre |
| L1 | Street Level | Joo Koon Bus Interchange |
Exits
| Exit | Disabled-Access | Location/Nearby |
|---|---|---|
| A |  |
Joo Koon Circle, Joo Koon Bus Interchange, Fairprice Hub |
| B | |
Joo Koon Circle, Upper Jurong Road |
| C | |
Fairprice Hub |
Transport Services
First/Last Train Timing
| Destination | First Train | Last Train | ||
|---|---|---|---|---|
| Mon − Fri | Sat | Sun & P.H. | Daily | |
| File:MRTFFF.png East–West Line | ||||
| EW1Pasir Ris | 05:29 | 05:29 | 05:59 | 23:29 |
| EW33Tuas Link | 05:27 | 05:27 | 05:57 | 00:38 |
Bus
| Bus Stop | Exit | Bus Service |
|---|---|---|
| 24009 | Joo Koon Int |
|
| 23499 | Joo Koon Stn Exit A |
|
| 23491 | Joo Koon Stn Exit B |
References
- ↑ "Joint Statement by the Land Transport Authority (LTA) & SMRT - Joo Koon train incident". Land Transport Authority (15 November 2017).
- ↑ "Update on Train Incident at Joo Koon Station". Land Transport Authority (15 November 2017).
- ↑ "Joo Koon train collision". Channel NewsAsia (19 November 2017).
- ↑ 4.0 4.1 4.2 4.3 "Joo Koon collision: 'Inadvertent removal' of software fix led to collision". Adrian Lim (Straits Times, 16 November 2017)