Difference between revisions of "Circle Line"

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{{Line Infobox
{{Infobox/Line
|TA=RCC
|Line=CCL
|Line=CCL
|Code={{Code/S|CC|style={{CSS/CCL|s=}};font-size:18px;|h=27px|r=18px 27px}}<br>
|Name=Circle Line<br>环线<br>சர்க்கிள் வரி
|Name=Circle Line<br>环线<br>சர்க்கிள் வரி
|Image=[[File:CCL Map.png|300px|center]]
|Img=[[File:CCL Map.png|centre|300px]]
|Image Description=It is coloured orange on system maps.
|Info=
|Info 1=
  {{Infoline|Status|Operational}}
  {{Infobox|Type|Rapid transit}}
  {{Infoline|Termini|{{Stn|Dhoby Ghaut}}<br>{{Stn|HarbourFront}}<br>{{Stn|Marina Bay}}}}
{{Infobox|System|[[Mass Rapid Transit]]}}
  {{Infoline|Stations|33 (3 U/C)}}
{{Infobox|Status|Operational}}
  {{Infoline|Services|2}}
  {{Infobox|Termini|{{STN|M|Dhoby Ghaut}}<br>{{STN|M|HarbourFront}}<br>{{STN|M|Marina Bay}}}}
  {{Infoline|Operator(s)|{{SMRT}}}}
  {{Infobox|Stations|33 (3 U/C)}}
  {{Infoline|Rolling stock|[[Alstom Metropolis 830|830]], [[Alstom Metropolis 830C|830C]]}}
  {{Infobox|Services|2}}
  {{Infoline|Line length|34.6 km}}
|Info 2=
  {{Infoline|Track gauge|1,435 mm standard gauge}}
{{Infobox|Opened|28 May 2009}}
  {{Infoline|Electrification|750V DC Third rail}}
{{Infobox|Owner|Land Transport Authority}}
  {{Infobox|Operator(s)|{{SMRT}}}}
  {{Infobox|Rolling stock|[[Alstom Metropolis C830|C830]], [[Alstom Metropolis C830C|C830C]]}}
|Info 3=
  {{Infobox|Line length|35.5 km}}
  {{Infobox|Track gauge|1,435 mm standard gauge}}
  {{Infobox|Electrification|750V DC Third rail}}
}}
}}


'''Circle Line (CCL)''' is the fourth [[Mass Rapid Transit]] (MRT) line and it is coloured '''<font color="{{Colour/CCL}}">Orange</font>'''. Traveling from one end to the other takes about 60 minutes. The line is currently 35.5 km long with 30 stations and it is fully underground and automated.<ref>[http://www.railway-technology.com/contractors/suburban/alstom/press5.html "ALSTOM chosen for the world’s longest fully automated metro line in Singapore"]. railway-technology.com (20 Feb 2002)</ref>
'''Circle Line (CCL)''' is the fourth [[Mass Rapid Transit]] (MRT) line. Traveling from one end to the other takes about 60 minutes. The line is currently 34.6 km long with 30 stations and it is fully underground and automated.


==History==
==History==
{|class=wikitable border=1
{|class="wikitable mw-collapsible" style="width:50%"
!colspan=2|Initial System
|-
|-
|width=140|28 May 2009
!width=150|Date!!Event
|width=350|{{STN|M|Bartley}} - {{STN|M|Marymount}}
|-
|-
|width=140|17 April 2010
|28 May 2009||{{Stn|Bartley}} - {{Stn|Marymount}}
|width=350|{{STN|M|Dhoby Ghaut}} - {{STN|M|Bartley}}
|-
|-
|width=140|8 October 2011
|17 April 2010||{{Stn|Dhoby Ghaut}} - {{Stn|Bartley}}
|width=350|{{STN|M|Marymount}} - {{STN|M|HarbourFront}}
|-
|-
|width=140|14 January 2012
||8 October 2011||{{Stn|Marymount}} - {{Stn|HarbourFront}}
|width=350|{{STN|M|Promenade}} - {{STN|M|Marina Bay}}
|-
|14 January 2012||{{Stn|Promenade}} - {{Stn|Marina Bay}}
|}
|}


===Planning===
==={{CCL|b=}} 6===
The Circle Line was first known as the Marina Line in May 1998. The Marina Line was initially planned as a 12-station underground line, starting from {{STN|M|Chinatown}} and {{STN|M|Dhoby Ghaut}} via the {{STN|M|Stadium}} to either {{STN|M|Kallang}} or {{STN|M|Paya Lebar}} station. However, the Chinatown leg was later truncated and was reduced to 6 stations up to {{STN|M|Stadium}} station. On the other hand, a further extension towards Upper Paya Lebar was added in the year 2000. The Marina Line was also merged with a MRT Line that goes from Paya Lebar to Buona Vista via Serangoon and Bishan to form Circle Line Stage 3 and 4 in 2001. Stations in Circle Line that were a part of the original Marina Line plans include {{STN|M|Dhoby Ghaut}}, {{STN|M|Bras Basah}}, {{STN|M|Esplanade}}, {{STN|M|Promenade}}, {{STN|M|Nicoll Highway}} and {{STN|M|Stadium}}. Also, the part of the Marina Line from {{STN|M|Chinatown}} to {{STN|M|Promenade}} is now part of the [[Downtown Line]]. Circle Line Stage 5 was again finalised in February 2002 and was extended from Buona Vista to World Trade Centre to close up the link and to provide connectivity from the west to Sentosa, and it became the full Circle Line in the end.
On 17 January 2013, the Land Transport Authority announced '''{{CCL|b=}} 6''' which will close the circle, running between {{Stn|Marina Bay}} and {{Stn|HarbourFront}}. It will be a 4 km extension with 3 stations, slated to be completed by 2026.<ref>[//www.lta.gov.sg/content/ltagov/en/upcoming_projects/rail_expansion/circle_line_6.html "Circle Line Stage 6"]. Land Transport Authority. Retrieved 24 June 2020.</ref><ref>[//https://www.channelnewsasia.com/singapore/circle-line-6-extension-tunnelling-complete-keppel-cantonment-prince-edward-road-2429691 "Circle Line 6 Extension" ]. Channel NewsAsia.</ref>
 
Construction started in April 2002, and was supposed to be opened from 2006 and fully opened in 2010, with an estimated cost of S$6.7 billion, the [[Nicoll Highway collapse]] caused the construction of the Circle Line to be delayed to open from 28 May 2009 (the Stage 3 of which it is not affected by [[Nicoll Highway collapse]]), with full opening on 8 October 2011, at an escalated cost of nearly S$10 billion.<ref>[http://motoring.asiaone.com/Motoring/Motorworld/Story/A1Story20090818-161682.html "Circle Line could cost taxpayers $10 billion"]</ref> Due to the re-alignment of the Nicoll Highway Station to a new location, the station is only two-thirds the size of the original plan before the collapse, and located 100m away from the highway collapse site.<ref>[http://www.straitstimes.com/Free/Story/STIStory_157967.html "Circle Line will exceed $6.7b budget"] Christopher Tan (The Straits Times, 15 September 2007)</ref> The decision was also made to open both {{STN|M|Caldecott}}, and{{STN|M|Haw Par Villa}} stations (previously Thomson and West Coast), as a normal stations leaving the {{STN|M|Bukit Brown| MRT Station}} closed, and there is only a middle track and emergency escape shaft.
 
===Circle Line Stage 6===
On 17 January 2013, the Land Transport Authority announced 'Circle Line '''Stage 6''' which will close the circle, running between {{STN|M|Marina Bay}} and {{STN|M|HarbourFront}}. It will be a 4 km extension.<ref>[http://www.lta.gov.sg/content/ltaweb/en/public-transport/projects/circle-line-6.html "Circle Line Stage 6"]. Land Transport Authority.</ref> On 29 October 2015, the LTA announced the 3 station locations for the 'Circle Line '''Stage 6''''. The stations are {{STN|M|Keppel| Station}}, {{STN|M|Cantonment| Station}} and {{STN|M|Prince Edward| Station}}. Construction of the line is due for completion in 2025.<ref>[http://www.todayonline.com/singapore/circle-line-be-full-loop-2025-station-locations-extension-announced "Three new stations to close loop on Circle Line"]. TODAYonline. Retrieved 16 Jan 2016.</ref>


==Incients==
===Nicoll Highway Collapse===
===Nicoll Highway collapse===
On 20 April 2004 at 3.30pm, the construction site of the {{Stn|Nicoll Highway| station}} collapsed, apparently when a retaining wall used in the tunnel's construction gave way. The accident left a collapse zone 150m wide, 100m long, and 30m deep. Four workers were killed, with three more injured and one body which was never recovered.<ref>[//web.archive.org/web/20170719211131/www.todayonline.com/singapore/fridays-fatal-mishap-worst-worksite-accident-2004-nicoll-highway-tragedy "Friday’s fatal mishap among worst worksite accidents since 2004 Nicoll Highway tragedy"]. TODAY. Archived on 19 July 2017.</ref> Consequently, the station site was moved around 100m south of the initial location. Moreover, the tunnels between Promenade and Stadium were constructed on an alignment that bypassed the collapsed area.<ref>[//eresources.nlb.gov.sg/newspapers/Digitised/Article/today20050930-1.2.10.2.3 "NICOLL HIGHWAY PROJECT RESTARTED"]. TODAY (9 September 2005).</ref> The collapse also resulted in the completion of {{CCL|b=}} 1 being pushed back from 2008 to 2010.
: ''Main article: [[Nicoll Highway collapse]]''
On 20 April 2004, a section of the tunnel being built for the Circle Line collapsed, apparently when a retaining wall used in the tunnel's construction gave way. This occurred near what was planned to become the {{STN|M|Nicoll Highway| station}} on the Circle line, not far from the Merdeka Bridge. The accident left a collapse zone 150m wide, 100m long, and 30m deep. Four workers were killed, with three more injured.


A criminal inquiry found the main contractor Nishimatsu Construction Company and joint venture partner firm Lum Chang Construction Company and their officers, as well as key Land Transport Authority officers responsible for the collapse. Several other officers and subcontractors were reprimanded and issued warnings in connection with the accident.
===2016 train disruptions===
 
In late August 2016, intermittent signal interference led to a five-day series of train disruptions. The issue reappeared again in November.<ref>[//www.todayonline.com/singapore/no-service-6-circle-line-stations-disruption-caused-signal-fault-widens "Signal interference issue plagues Circle line again"]. TODAY.</ref><ref>[//www.straitstimes.com/singapore/transport/circle-line-signal-fault-that-caused-train-disruptions-on-wednesday-morning "Circle line signal fault that caused train disruptions on Wednesday similar to problem in September: LTA, SMRT"]. Straits Times (2 November 2016)</ref> A team of data scientists explored the data and discovered via a Marey Chart visualization that it was caused by hardware problems, sending errant signals from a "rogue" [[Alstom Metropolis 830C|830C train (846)]].<ref>[//blog.data.gov.sg/how-we-caught-the-circle-line-rogue-train-with-data-79405c86ab6a "How the Circle line rogue train was caught with data"]. Data.Gov.sg (1 December 2016).</ref>
As a result of this accident, the first phase of the Circle Line, previously scheduled to open in 2008, was completed in 2009 instead. The affected station has been shifted about 100m away from the accident site and is now located at Republic Avenue.
 
This accident had also resulted in stricter safety regulations for the construction of all future MRT lines. The shifting of the Nicoll Highway Station also meant it can no longer serve as a terminus for the Bukit Timah Line, partially influencing the creation of the current [[Downtown Line]].
 
===Other incidents===
On 16 August 2007, the Building and Construction Authority (BCA) issued a stop-work order and revoked the contractor's tunnelling permit after a 7m stretch of two lanes sank about 20cm, close to the junction of Telok Blangah Road and Alexandra Road in the evening, resulting in a halting of tunnelling works.<ref>[http://www.straitstimes.com/Free/Story/STIStory_150531.html "Stop-work order at Telok Blangah site is fourth this year on $6.7b MRT project"] T. Rajan (The Straits Times, 22 Aug 2007)</ref>
 
A section of the road above a construction site near Holland Road caved in on the morning of 24 May 2008, creating a massive hole. The hole, directly in front of two private houses along Cornwall Gardens Road, measured 8 by 7 metres and was 3 metres deep. No one was injured, but the road was temporarily closed to traffic.<ref>[http://www.channelnewsasia.com/stories/singaporelocalnews/view/349771/1/.html "Road above Circle Line construction site caves in"] Channel NewsAsia (24 May 2008)</ref>


==Stations==
==Stations==
{| class="toccolours" border=1 style="border-collapse:collapse;text-align:left;font-size:95%"
<div style="overflow-y:auto;width=100%">
|-style="background-color:{{Colour/CCL}};text-align:center;"
{| class="wikitable" style='white-space:nowrap;"
!Alpha-Numeric<br>Code!!Station Name!!Working names!!Notes
!style="{{CSS/LTA|s=|t=}}"|Alpha-Numeric<br>Code!!style="{{CSS/LTA|s=|t=}}"|Station Name!!style="{{CSS/LTA|s=|t=}}"|Image!!style="{{CSS/LTA|s=|t=}}"|Working names!!style="{{CSS/LTA|s=|t=}}"|Notes
|- style="text-align:center;"
!colspan=4 style="background-color:#EEE;height:25px"|Circle Line
|-
!{{Code|3|CCL|CC1|NSL|NS24|NEL|NE6|C1=000}}
|{{STN|M|Dhoby Ghaut}}||Dhoby Ghaut
|Terminus<br>Interchange with {{NSL}} and {{NEL}}
|-
!{{Code|1|CCL|CC2|C1=000}}
|{{STN|M|Bras Basah}}||Museum
|
|-
!{{Code|1|CCL|CC3|C1=000}}
|{{STN|M|Esplanade}}||Convention Centre
|
|-
!{{Code|2|CCL|CC4|DTL|DT15|C1=000}}
|{{STN|M|Promenade}}||Millenia
|Interchange with {{DTL}}
|-
!{{Code|1|CCL|CC5|C1=000}}
|{{STN|M|Nicoll Highway}}||Nicoll Highway
|
|-
!{{Code|1|CCL|CC6|C1=000}}
|{{STN|M|Stadium}}||Boulevard
|Terminus (Circle Line Extension)
|-
!{{Code|1|CCL|CC7|C1=000}}
|{{STN|M|Mountbatten}}||Old Airport Road
|
|-
!{{Code|1|CCL|CC8|C1=000}}
|{{STN|M|Dakota}}
|Tanjong Katong
|
|-
!{{Code|2|CCL|CC9|EWL|EW8|C1=000}}
|{{STN|M|Paya Lebar}}||Paya Lebar
|Interchange with {{EWL}}
|-
!{{Code|2|CCL|CC10|DTL|DT26|C1=000}}
|{{STN|M|MacPherson}}||MacPherson
|Future Interchange with {{DTL}}
|-
!{{Code|1|CCL|CC11|C1=000}}
|{{STN|M|Tai Seng}}||Upper Paya Lebar
|
|-
!{{Code|1|CCL|CC12|C1=000}}
|{{STN|M|Bartley}}||Bartley
|
|-
!{{Code|2|CCL|CC13|NEL|NE12|C1=000}}
|{{STN|M|Serangoon}}||Serangoon
|Interchange with {{NEL}}
|-
!{{Code|1|CCL|CC14|C1=000}}
|{{STN|M|Lorong Chuan}}||Lorong Chuan
|
|-
!{{Code|2|CCL|CC15|NSL|NS17|C1=000}}
|{{STN|M|Bishan}}||Bishan
|Interchange with {{NSL}}
|-
!{{Code|1|CCL|CC16|C1=000}}
|{{STN|M|Marymount}}||Marymount
|
|-
!{{Code|2|CCL|CC17|TEL|TE9|C1=000}}
|{{STN|M|Caldecott}}||Thomson
|Future Interchange with {{TEL}}
|-
!{{Code|1|CCL|CC18|C1=000}}
|{{STN|M|Bukit Brown}}||Bukit Brown
|''Not in operation''
|-
!{{Code|2|CCL|CC19|DTL|DT9|C1=000}}
|{{STN|M|Botanic Gardens}}||Adam
|Interchange with {{DTL}}
|-
!{{Code|1|CCL|CC20|C1=000}}
|{{STN|M|Farrer Road}}||Farrer
|
|-
!{{Code|1|CCL|CC21|C1=000}}
|{{STN|M|Holland Village}}||Holland
|
|-
!{{Code|2|CCL|CC22|EWL|EW21|C1=000}}
|{{STN|M|Buona Vista}}||Buona Vista
|Interchange with {{EWL}}
|-
!{{Code|1|CCL|CC23|C1=000}}
|{{STN|M|one-north}}||one-North
|
|-
!{{Code|1|CCL|CC24|C1=000}}
|{{STN|M|Kent Ridge}}||National University Hospital
|
|-
!{{Code|1|CCL|CC25|C1=000}}
|{{STN|M|Haw Par Villa}}||West Coast
|
|-
!{{Code|1|CCL|CC26|C1=000}}
|{{STN|M|Pasir Panjang}}||Pasir Panjang
|
|-
!{{Code|1|CCL|CC27|C1=000}}
|{{STN|M|Labrador Park}}||Alexandra
|
|-
!{{Code|1|CCL|CC28|C1=000}}
|{{STN|M|Telok Blangah}}||Telok Blangah
|
|-
!{{Code|2|CCL|CC29|NEL|NE1|C1=000}}
|{{STN|M|HarbourFront}}||HarbourFront
|Terminus<br>Interchange with {{NEL}}
|- style="text-align:center;"
!colspan=4 style="background-color:#EEE;height:25px"|Circle Line Stage 6 (Opening 2025)
|-
!{{Code|1|CCL|CC30|C1=000}}
|{{STN|M|Keppel}}||Keppel
|''Under Planning/Construction''
|-
!{{Code|1|CCL|CC31|C1=000}}
|{{STN|M|Cantonment}}||Cantonment
|''Under Planning/Construction''
|-
!{{Code|1|CCL|CC32|C1=000}}
|{{STN|M|Prince Edward}}||Prince Edward
|''Under Planning/Construction''
|- style="text-align:center;"
!colspan=4 style="background-color:#EEE;height:25px"|Circle Line Extension
|-
!{{Code|2|CCL|CE1|DTL|DT16|C1=000}}
|{{STN|M|Bayfront}}||Bayfront
|Interchange with {{DTL}}
|-
!{{Code|3|CCL|CE2|NSL|NS27|TEL|TE20|C1=000}}
|{{STN|M|Marina Bay}}||Marina Bay
|Terminus<br>Interchange with {{NSL}}<br>Future Interchange with {{TEL}}
|}
 
==Services==
{| class="toccolours" border=1 style="border-collapse:collapse;text-align:left;font-size:95%"
|-style="background-color:{{Colour/CCL}};text-align:center;"
!Service!!Starting!!Terminate at!!Notes
|-
|-
|Full||{{STN|M|Dhoby Ghaut}}||{{STN|M|HarbourFront}}||
!colspan=5 style="{{CSS/CCL|s=|t=}}"|{{Icon|MRT|B|18px|d=inline}} {{CCL|b=}}
{{Stnline|{{Code/S|CC1|CCL|rr=0|br=none}}{{Code/S|NS24|NSL|r=0|br=none|bl=none}}{{Code/S|NE6|NEL|rl=0|bl=none}}|Dhoby Ghaut|CCL|Dhoby Ghaut|Terminus<br>Interchange with {{NSL}} and {{NEL}}}}
{{Stnline|{{Code/S|CC2|CCL}}|Bras Basah|CCL|Museum}}
{{Stnline|{{Code/S|CC3|CCL}}|Esplanade|CCL|Convention Centre}}
{{Stnline|{{Code/S|CC4|CCL|rr=0|br=none}}{{Code/S|DT15|DTL|rl=0|bl=none}}|Promenade|CCL|Millenia|Interchange with {{DTL}}}}
{{Stnline|{{Code/S|CC5|CCL}}|Nicoll Highway|CCL}}
{{Stnline|{{Code/S|CC6|CCL}}|Stadium|CCL|Boulevard|Terminus (Circle Line Extension)}}
{{Stnline|{{Code/S|CC7|CCL}}|Mountbatten|CCL|Old Airport Road}}
{{Stnline|{{Code/S|CC8|CCL}}|Dakota|CCL|Tanjong Katong}}
{{Stnline|{{Code/S|CC9|CCL|rr=0|br=none}}{{Code/S|EW8|EWL|rl=0|bl=none}}|Paya Lebar|CCL|Paya Lebar|Interchange with {{EWL}}}}
{{Stnline|{{Code/S|CC10|CCL|rr=0|br=none}}{{Code/S|DT26|DTL|rl=0|bl=none}}|MacPherson|CCL|MacPherson|Interchange with {{DTL}}}}
{{Stnline|{{Code/S|CC11|CCL}}|Tai Seng|CCL|Upper Paya Lebar}}
{{Stnline|{{Code/S|CC12|CCL}}|Bartley|CCL}}
{{Stnline|{{Code/S|CC13|CCL|rr=0|br=none}}{{Code/S|NE12|NEL|rl=0|bl=none}}|Serangoon|CCL|Serangoon|Interchange with {{NEL}}}}
{{Stnline|{{Code/S|CC14|CCL}}|Lorong Chuan|CCL}}
{{Stnline|{{Code/S|CC15|CCL|rr=0|br=none}}{{Code/S|NS17|NSL|rl=0|bl=none}}|Bishan|CCL|Bishan|Interchange with {{NSL}}}}
{{Stnline|{{Code/S|CC16|CCL}}|Marymount|CCL}}
{{Stnline|{{Code/S|CC17|CCL|rr=0|br=none}}{{Code/S|TE9|TEL|rl=0|bl=none}}|Caldecott|CCL|Thomson|Interchange with {{TEL}}}}
{{Stnline|{{Code/F|CC18|CCL}}|Bukit Brown|CCL|Bukit Brown|Reserved station. Not in Operation.|Img=}}
{{Stnline|{{Code/S|CC19|CCL|rr=0|br=none}}{{Code/S|DT9|DTL|rl=0|bl=none}}|Botanic Gardens|CCL|Adam|Interchange with {{DTL}}}}
{{Stnline|{{Code/S|CC20|CCL}}|Farrer Road|CCL|Farrer}}
{{Stnline|{{Code/S|CC21|CCL}}|Holland Village|CCL|Holland}}
{{Stnline|{{Code/S|CC22|CCL|rr=0|br=none}}{{Code/S|EW21|EWL|rl=0|bl=none}}|Buona Vista|CCL|Buona Vista|Interchange with {{EWL}}}}
{{Stnline|{{Code/S|CC23|CCL}}|one-north|CCL}}
{{Stnline|{{Code/S|CC24|CCL}}|Kent Ridge|CCL|National University Hospital}}
{{Stnline|{{Code/S|CC25|CCL}}|Haw Par Villa|CCL|West Coast}}
{{Stnline|{{Code/S|CC26|CCL}}|Pasir Panjang|CCL}}
{{Stnline|{{Code/S|CC27|CCL}}|Labrador Park|CCL|Alexandra}}
{{Stnline|{{Code/S|CC28|CCL}}|Telok Blangah|CCL}}
{{Stnline|{{Code/S|CC29|CCL|rr=0|br=none}}{{Code/S|NE1|NEL|rl=0|bl=none}}|HarbourFront|CCL|HarbourFront|Terminus<br>Interchange with {{NEL}}}}
|-
|-
|Full||{{STN|M|HarbourFront}}||{{STN|M|Dhoby Ghaut}}||
!colspan=5 style="{{CSS/CCL|s=|t=}}"|{{Icon|MRT|B|18px|d=inline}} {{CCL|b=}} Stage 6
|-
{{Stnline|{{Code/F|CC30|CCL}}|Keppel|CCL|Keppel|Under Construction|Img=}}
|Full||{{STN|M|HarbourFront}}||{{STN|M|Marina Bay}}||Operates during Peak Hours.
{{Stnline|{{Code/F|CC31|CCL}}|Cantonment|CCL|Cantonment|Under Construction|Img=}}
|-
{{Stnline|{{Code/F|CC32|CCL}}|Prince Edward Road|CCL|Prince Edward|Under Construction|Img=}}
|Full||{{STN|M|Stadium}}||{{STN|M|Marina Bay}}||Operates during Off Peak Hours.
|-
|Full||{{STN|M|Marina Bay}}||{{STN|M|Stadium}}||Operates during Off Peak Hours.
|-
|Full||{{STN|M|Marina Bay}}||{{STN|M|HarbourFront}}||Operates during Peak Hours.
|-
|SWT/Special||{{STN|M|Marina Bay}}||{{STN|M|Caldecott}}||Operates on days when major events held at National Stadium.
|-
|SWT|||{{STN|M|HarbourFront}}||{{STN|M|Paya Lebar}}||Operate during peak hours/after peak hours.
|-
|SWT|||{{STN|M|Dhoby Ghaut}}||{{STN|M|Tai Seng}}||Operate during/ after peak hour/train withdrawal to Kim Chuan Depot.
|-
|SWT||{{STN|M|HarbourFront}}||{{STN|M|Bartley}}||Operate at late night period/train withdrawal to Kim Chuan Depot.
|-
|-
!colspan=5 style="{{CSS/CCL|s=|t=}}"|{{Icon|MRT|B|18px|d=inline}} {{CCL|b=}} Extension
{{Stnline|{{Code/S|CE1|CCL|rr=0|br=none}}{{Code/S|DT16|DTL|rl=0|bl=none}}|Bayfront|CCL-DTL|Bayfront|Interchange with {{DTL}}}}
{{Stnline|{{Code/S|CE2|CCL|rr=0|br=none}}{{Code/S|NS27|NSL|r=0|br=none|bl=none}}{{Code/S|TE20|TEL|rl=0|bl=none}}|Marina Bay|CCL|Marina Bay|Terminus<br>Interchange with {{NSL}} and {{TEL}}}}
|}
|}
</div>


==Rolling stock==
==Rolling stock==
The rolling stock consists of [[Alstom Metropolis C830]] and [[Alstom Metropolis C830C]] trains, running in three-car formation. These trains operate from [[Kim Chuan Depot]] between {{STN|M|Tai Seng}} and {{STN|M|Bartley}} stations. The Kim Chuan Depot has maintenance and train overhaul facilities for trains along the Circle Line and Downtown Line.
The rolling stock consists of [[Alstom Metropolis 830]] and [[Alstom Metropolis 830C]] trains. These trains operate from [[Kim Chuan Depot]] near {{Stn|Tai Seng| station}}.


==References==
==References==
<references/>
<references/>


==Related Links==
{{Mass Rapid Transit}}
{{Mass Rapid Transit}}
{{Railway Lines in Singapore}}
{{Railway Lines}}
{{Circle Line}}
{{Circle Line}}
[[Category:Mass Rapid Transit Lines]]

Latest revision as of 01:38, 30 May 2024


!
 TRAVEL ADVISORY
!
SMRT Trains
  • From Sunday, 14 November 2024 to 31 October 2025, Train Services on the Bukit Panjang LRT will end an hour earlier at 22:30 every Thursday to Sunday (except Public Holidays). This is to facilitate the upgrading of the BPLRT signalling system, as well as the testing of the new and retrofitted Light Rail Vehicles (LRVs) on the BPLRT network. Please refer here for more information.
Land Transport Authority SMRT Trains
  • From Saturday, 7 December 2024 to 10 December 2024. There will be no train service between Tampines station and Tanah Merah station with Simei station being closed. This is to prepare for the opening of the new East Coast Integrated Depot (ECID) in 2026, LTA and SMRT will be undertaking a series of works to facilitate the connection of tracks from the existing East–West Line to the ECID. Shuttle Buses will be operating at intervals of 5 mins.
  • Please refer
    • here for more information on the adjustments.
    • here for Shuttle Bus and Train arrangements.
    • here for the work map.
Land Transport Authority SBS Transit
Land Transport Authority SBS Transit
  • From Sunday, 24 November 2024, Bus Services , & will call at new bus stops.
  • Please refer here for more information.
SBS Transit
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.
Land Transport Authority Tower Transit
  • From Monday, 25 November 2024, City Direct Service will be introduced from Tengah Drive to the Central Business District (CBD), operating during morning and evening peak hours. Please refer here for more information.
Land Transport Authority Go-Ahead
  • From Monday, 25 November 2024, City Direct Service will be extended to Bayfront Avenue, Temasek Avenue, Temasek Boulevard and Raffles Boulevard. An additional trip will operate during morning peak period and its frequency will be improved from 15 minutes to 10 minutes. Please refer here for more information.
Land Transport Authority SBS Transit SMRT Buses
  • From Sunday, 1 December 2024, Compassvale Bus Interchange will close following the opening of Buangkok Bus Interchange. Bus Services , & will be amended to operate from Buangkok Bus Interchange while Bus Service will be amended to operate from Sengkang Interchange.
  • Please refer to the following for more information.
    • SBS Transit
    • SMRT Buses
Land Transport Authority Go-Ahead
  • From Sunday, 8 December 2024, Bus Services & will each call at an additional bus stop outside and opposite Blk 437B respectively. Please refer here for more information.
Land Transport Authority SBS Transit
  • From Monday, 9 December 2024, Supplementary Bus Service will be introduced to provide a faster connection to the Tampines town centre and transport hub for residents in the Tampines North and west areas. Please refer here for more information.
CC
Circle Line
环线
சர்க்கிள் வரி
CCL Map.png
Statistics
Status Operational
Termini Dhoby Ghaut
HarbourFront
Marina Bay
Stations 33 (3 U/C)
Services 2
Operator(s) SMRT Trains
Rolling stock 830, 830C
Line length 34.6 km
Track gauge 1,435 mm standard gauge
Electrification 750V DC Third rail

Circle Line (CCL) is the fourth Mass Rapid Transit (MRT) line. Traveling from one end to the other takes about 60 minutes. The line is currently 34.6 km long with 30 stations and it is fully underground and automated.

History[edit]

Date Event
28 May 2009 Bartley - Marymount
17 April 2010 Dhoby Ghaut - Bartley
8 October 2011 Marymount - HarbourFront
14 January 2012 Promenade - Marina Bay

Circle Line 6[edit]

On 17 January 2013, the Land Transport Authority announced Circle Line 6 which will close the circle, running between Marina Bay and HarbourFront. It will be a 4 km extension with 3 stations, slated to be completed by 2026.[1][2]

Nicoll Highway Collapse[edit]

On 20 April 2004 at 3.30pm, the construction site of the Nicoll Highway station collapsed, apparently when a retaining wall used in the tunnel's construction gave way. The accident left a collapse zone 150m wide, 100m long, and 30m deep. Four workers were killed, with three more injured and one body which was never recovered.[3] Consequently, the station site was moved around 100m south of the initial location. Moreover, the tunnels between Promenade and Stadium were constructed on an alignment that bypassed the collapsed area.[4] The collapse also resulted in the completion of Circle Line 1 being pushed back from 2008 to 2010.

2016 train disruptions[edit]

In late August 2016, intermittent signal interference led to a five-day series of train disruptions. The issue reappeared again in November.[5][6] A team of data scientists explored the data and discovered via a Marey Chart visualization that it was caused by hardware problems, sending errant signals from a "rogue" 830C train (846).[7]

Stations[edit]

Alpha-Numeric
Code		 Station Name Image Working names Notes
icon Circle Line
CC1NS24NE6 Dhoby Ghaut Dhoby Ghaut-CCL.png Dhoby Ghaut Terminus
Interchange with North–South Line and North East Line
CC2 Bras Basah Bras Basah-CCL.png Museum
CC3 Esplanade Esplanade-CCL.png Convention Centre
CC4DT15 Promenade Promenade-CCL.png Millenia Interchange with Downtown Line
CC5 Nicoll Highway Nicoll Highway-CCL.png Nicoll Highway
CC6 Stadium Stadium-CCL.png Boulevard Terminus (Circle Line Extension)
CC7 Mountbatten Mountbatten-CCL.png Old Airport Road
CC8 Dakota Dakota-CCL.png Tanjong Katong
CC9EW8 Paya Lebar Paya Lebar-CCL.png Paya Lebar Interchange with East–West Line
CC10DT26 MacPherson MacPherson-CCL.png MacPherson Interchange with Downtown Line
CC11 Tai Seng Tai Seng-CCL.png Upper Paya Lebar
CC12 Bartley Bartley-CCL.png Bartley
CC13NE12 Serangoon Serangoon-CCL.png Serangoon Interchange with North East Line
CC14 Lorong Chuan Lorong Chuan-CCL.png Lorong Chuan
CC15NS17 Bishan Bishan-CCL.png Bishan Interchange with North–South Line
CC16 Marymount Marymount-CCL.png Marymount
CC17TE9 Caldecott Caldecott-CCL.png Thomson Interchange with Thomson–East Coast Line
CC18 Bukit Brown Bukit Brown Reserved station. Not in Operation.
CC19DT9 Botanic Gardens Botanic Gardens-CCL.png Adam Interchange with Downtown Line
CC20 Farrer Road Farrer Road-CCL.png Farrer
CC21 Holland Village Holland Village-CCL.png Holland
CC22EW21 Buona Vista Buona Vista-CCL.png Buona Vista Interchange with East–West Line
CC23 one-north One-north-CCL.png one-north
CC24 Kent Ridge Kent Ridge-CCL.png National University Hospital
CC25 Haw Par Villa Haw Par Villa-CCL.png West Coast
CC26 Pasir Panjang Pasir Panjang-CCL.png Pasir Panjang
CC27 Labrador Park Labrador Park-CCL.png Alexandra
CC28 Telok Blangah Telok Blangah-CCL.png Telok Blangah
CC29NE1 HarbourFront HarbourFront-CCL.png HarbourFront Terminus
Interchange with North East Line
icon Circle Line Stage 6
CC30 Keppel Keppel Under Construction
CC31 Cantonment Cantonment Under Construction
CC32 Prince Edward Road Prince Edward Under Construction
icon Circle Line Extension
CE1DT16 Bayfront Bayfront-CCL-DTL.png Bayfront Interchange with Downtown Line
CE2NS27TE20 Marina Bay Marina Bay-CCL.png Marina Bay Terminus
Interchange with North–South Line and Thomson–East Coast Line

Rolling stock[edit]

The rolling stock consists of Alstom Metropolis 830 and Alstom Metropolis 830C trains. These trains operate from Kim Chuan Depot near Tai Seng station.

References[edit]

  1. ↑ "Circle Line Stage 6". Land Transport Authority. Retrieved 24 June 2020.
  2. ↑ "Circle Line 6 Extension" . Channel NewsAsia.
  3. ↑ "Friday’s fatal mishap among worst worksite accidents since 2004 Nicoll Highway tragedy". TODAY. Archived on 19 July 2017.
  4. ↑ "NICOLL HIGHWAY PROJECT RESTARTED". TODAY (9 September 2005).
  5. ↑ "Signal interference issue plagues Circle line again". TODAY.
  6. ↑ "Circle line signal fault that caused train disruptions on Wednesday similar to problem in September: LTA, SMRT". Straits Times (2 November 2016)
  7. ↑ "How the Circle line rogue train was caught with data". Data.Gov.sg (1 December 2016).
icon Mass Rapid Transit [ V • T • E ]
Overview History • Stations • Fare and Ticketing • Facilities • Safety • Security
Lines North–South Line • East–West Line • North East Line • Circle Line • Downtown Line • Thomson–East Coast Line

FutureJurong Region Line • Cross Island Line

Rolling Stocks 151 • 151A • 151B • 151C • R151 • T251 • 751A • 751B • 751C • 830 • 830C • 851E • 951

Former651

Future J151 • CR151

Depots Bishan • Changi • Gali Batu • Kim Chuan • Mandai • Sengkang • Ulu Pandan • Tuas
Future Changi East • East Coast • Tengah
Railway Lines in Singapore [ V • T • E ]
Mass Rapid Transit (MRT) North–South Line • East–West Line • North East Line • Circle Line • Downtown Line • Thomson–East Coast Line
FutureJurong Region Line • Cross Island Line
Light Rail Transit (LRT) Bukit Panjang LRT • Sengkang LRT • Punggol LRT
Cross-border KTM Intercity
FutureJohor Bahru–Singapore Rapid Transit System
Others Changi Airport Skytrain • Sentosa Express
DefunctSentosa Monorail
icon Circle Line [ V • T • E ]
Stations Dhoby Ghaut • Bras Basah • Esplanade • Promenade • Nicoll Highway • Stadium • Mountbatten • Dakota • Paya Lebar • MacPherson • Tai Seng • Bartley • Serangoon • Lorong Chuan • Bishan • Marymount • Caldecott • Bukit Brown • Botanic Gardens • Farrer Road • Holland Village • Buona Vista • one-north • Kent Ridge • Haw Par Villa • Pasir Panjang • Labrador Park • Telok Blangah • HarbourFront
CCL6Keppel • Cantonment • Prince Edward Road
Circle Line ExtensionPromenade • Bayfront • Marina Bay
Rolling Stock 830 • 830C • 851E
Depots Kim Chuan
Others Bridging Service
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