Circle MRT line (English Wikipedia)

"Alstom in Singapore" (PDF). Alstom. 8 December 2019. Archived from the original (PDF) on 8 December 2019. Retrieved 8 December 2019.
"Alstom to supply 34 Metropolis trains and upgrade signaling on the system". 3 February 2012. Archived from the original on 31 December 2013. Retrieved 16 November 2013.

asiaone.com (Global: 2,155^th place; English: 1,292^nd place)

motoring.asiaone.com

"Circle Line could cost taxpayers $10 billion". AsiaOne Motoring. Archived from the original on 8 October 2011. Retrieved 21 August 2016.

asiaone.com

"LTA may replace Circle Line contractor". www.asiaone.com. Archived from the original on 18 July 2020. Retrieved 18 July 2020.

channelnewsasia.com (Global: 1,127^th place; English: 691^st place)

"Part of Circle Line opens today". ChannelNewsAsia. 28 May 2009. Archived from the original on 28 May 2009. Retrieved 28 May 2009.
"LTA completes final tunnelling work on Circle Line". Channel News Asia. 17 August 2009. Archived from the original on 19 October 2012.
"Wanted: Names for 3 new Circle Line stations". Channel NewsAsia. 15 May 2017. Archived from the original on 16 May 2017. Retrieved 15 May 2017.
"First CCL6 contracts awarded by LTA". ChannelNewsAsia. Archived from the original on 12 October 2017. Retrieved 12 October 2017.
"Circle Line 6 tunnelling works complete, 3 new stations set to open in 2026". CNA. 12 January 2022. Archived from the original on 12 January 2022. Retrieved 12 January 2022.
"Road above Circle Line construction site caves in" Archived 26 May 2008 at the Wayback Machine CNA Live, Channel NewsAsia, 24 May 2008
"Thousands affected by Circle Line disruption". Channel News Asia. 20 September 2011. Archived from the original on 24 October 2011. Retrieved 19 October 2011.
"Faulty cable led to Circle Line disruption". Channel News Asia. 20 September 2011. Archived from the original on 26 October 2011. Retrieved 19 October 2011.
"Call for thorough probe on Circle Line disruption". Channel News Asia. 22 September 2011. Archived from the original on 25 October 2011. Retrieved 19 October 2011.
"Circle Line train services resume after 14-hour disruption". CNA. Archived from the original on 30 September 2023.
"Train services fully resume on Circle Line after disruption caused by power fault". CNA. Retrieved 26 September 2024.
"Circle Line shutdown on Sep 17: Maintenance team did not follow protocol, says SMRT". CNA. Archived from the original on 26 September 2024. Retrieved 26 September 2024.
"Circle Line 6 tunnelling works complete, 3 new stations set to open in 2026". CNA. Archived from the original on 12 January 2022. Retrieved 29 August 2023.
"First Circle Line 6 contracts worth S$1.75b awarded by LTA - CNA". 5 March 2020. Archived from the original on 5 March 2020. Retrieved 5 March 2020.
Shereena Sajeed (4 March 2009). "World's largest underground depot opens in Singapore". Channel News Asia. Archived from the original on 19 October 2012. Retrieved 17 June 2022.

cpgcorp.com.sg (Global: low place; English: low place)

"Marina Mass Rapid Transit (MRT) Line (C824 – Design and Build Tender)". CPG Consultants. Archived from the original on 9 October 2020. Retrieved 10 October 2020.
"CPG Consultants - Circle Line Stage 2 - Geotechnical and Structural Engineering Consultancy Services (Contract 823)". www.cpgcorp.com.sg. Archived from the original on 10 July 2021. Retrieved 17 August 2020.

hlsgroup.com.sg (Global: low place; English: low place)

"Projects". Home. Archived from the original on 27 January 2021. Retrieved 21 April 2020.

internet.gov.sg (Global: low place; English: low place)

app.internet.gov.sg

"Appointment Of Operator For The Circle Line". www.lta.gov.sg. 8 August 2001. Archived from the original on 24 December 2002. Retrieved 19 July 2019.

lta.gov.sg (Global: 7,102^nd place; English: 4,017^th place)

lta.gov.sg

"Circle Line Stage 3". www.lta.gov.sg. 20 January 2003. Archived from the original on 26 May 2003. Retrieved 15 July 2019.
"Annex A Finalised Names For Circle Line (CCL) Stages 1-3 Stations". www.lta.gov.sg. Archived from the original on 18 December 2006.
"Finalised Names For Circle Line (CCL) Stages 4&5 Stations". www.lta.gov.sg. Archived from the original on 18 December 2006.
"Early Opening for Circle Line from Bartley to Marymount" (PDF). www.lta.gov.sg. Archived from the original (PDF) on 21 February 2013. Retrieved 16 April 2009.
"Connect - October 2011" (PDF). www.lta.gov.sg. Archived from the original (PDF) on 5 February 2018.
"Factsheet: Completion of Circle Line 6 Tunnelling Works". Archived from the original on 12 January 2022.
"Circle Line 6 - Projects - Public Transport - Land Transport Authority". Archived from the original on 5 January 2016. Retrieved 21 August 2016.
"Tender information | Land Transport Authority". www.lta.gov.sg. Archived from the original on 24 April 2017. Retrieved 23 April 2017.
"Tender information | Land Transport Authority". www.lta.gov.sg. Archived from the original on 24 April 2017. Retrieved 23 April 2017.
"Tender information | Land Transport Authority". www.lta.gov.sg. Archived from the original on 24 April 2017. Retrieved 23 April 2017.
"LTA Invites Public to Suggest MRT station Names for Circle Line 6 stations | Press Room | Land Transport Authority". www.lta.gov.sg. Archived from the original on 18 September 2017. Retrieved 18 September 2017.
"Factsheet: Completion of Circle Line 6 Tunnelling Works". LTA. 12 January 2022. Archived from the original on 12 January 2022. Retrieved 12 January 2022.
"LTA | Getting Around | Public Transport | Rail Network | Circle Line". www.lta.gov.sg. Archived from the original on 1 November 2019. Retrieved 29 April 2020.
"More trains and system upgrades for Circle Line". www.lta.gov.sg. 24 March 2025. Retrieved 31 July 2025.
"LTA Annual Safety Award Convention 2005". lta.gov.sg. Archived from the original on 30 November 2009.
"Projects - Rail". www.lta.gov.sg. 4 February 2009. Archived from the original on 19 September 2009.
"Projects - Rail". www.lta.gov.sg. 4 February 2009. Archived from the original on 19 September 2009.
"Projects - Rail". www.lta.gov.sg. 5 August 2008. Archived from the original on 6 August 2009. Retrieved 19 June 2020.
"Projects - Rail". www.lta.gov.sg. 5 August 2008. Archived from the original on 6 August 2009. Retrieved 19 June 2020.
"LTA | News Room | News Releases | LTA Awards First Three Civil Contracts for Circle Line 6". 5 March 2020. Archived from the original on 5 March 2020. Retrieved 5 March 2020.
"Circle Line 6". Archived from the original on 20 September 2019. Retrieved 20 September 2019.
"News Room - News Releases - LTA Awards Final Construction Contract for Circle Line 6". LTA. 10 November 2017. Archived from the original on 30 October 2020. Retrieved 30 October 2020.
"Upcoming Projects - Rail Expansion - Circle Line 6". LTA. 12 June 2020. Archived from the original on 20 September 2019. Retrieved 30 October 2020.
"LTA | News Room | News Releases | LTA Awards Construction Contract for Circle Line 6 Prince Edward Station and Tunnels". 5 March 2020. Archived from the original on 5 March 2020. Retrieved 5 March 2020.
"List of contracts awarded for Downtown Line 1" (PDF). Land Transport Authority. Archived from the original (PDF) on 1 November 2015.
"LTA | News Room | News Releases | Joint Release by the Land Transport Authority (LTA) & SLA - Circle Line 6 – Becoming A Full Circle". 5 March 2020. Archived from the original on 5 March 2020. Retrieved 5 March 2020.
"Tender information | Land Transport Authority". www.lta.gov.sg. Archived from the original on 15 July 2019. Retrieved 23 April 2017.

app.lta.gov.sg

"Station Names For Circle Line Stages 4 And 5". www.lta.gov.sg. 7 November 2005. Archived from the original on 23 April 2010.
"Circle Line from Bartley to Dhoby Ghaut to Open 17 April". www.lta.gov.sg. Archived from the original on 21 June 2011. Retrieved 26 January 2010.
"Award Of Second Civil Works Contract For The Marina Line". lta.gov.sg. 7 August 2001. Archived from the original on 1 May 2009. Retrieved 2 May 2009.
"Civil Works Contract Awarded For The Marina Line". www.lta.gov.sg. Archived from the original on 1 May 2009. Retrieved 23 April 2010.
"Award Of Contracts For Stage 3 Of Circle Line". www.lta.gov.sg. 31 July 2003. Archived from the original on 6 August 2008. Retrieved 19 June 2020.
"Award Of Contracts For Stage 3 Of Circle Line". www.lta.gov.sg. 27 June 2003. Archived from the original on 6 October 2008. Retrieved 19 June 2020.
"Award Of Contract For Construction And Completion Of Adam And Farrer Stations". www.lta.gov.sg. Archived from the original on 6 September 2012. Retrieved 19 November 2020.
"Award of Contract for Construction And Completion of Holland, Buona Vista And NUH Stations". www.lta.gov.sg. Archived from the original on 14 January 2012. Retrieved 26 November 2020.
"Award Of Contract For CCL Marina Bay Station". Land Transport Authority. Archived from the original on 31 December 2013.
AWARD OF ELECTRICAL & MECHANICAL SYSTEMS CONTRACT 830 FOR THE MARINA line Archived 27 May 2011 at the Wayback Machine
"LTA and SMRT Award Contracts for New Trains and Re-Signalling Project". Land Transport Authority. 1 February 2012. Archived from the original on 29 September 2013. Retrieved 16 November 2013.

lumchang.com.sg (Global: low place; English: low place)

"Lum Chang - Civil & Infrastructure". www.lumchang.com.sg. Archived from the original on 12 October 2020. Retrieved 17 August 2020.
"Lum Chang Technical Brochure" (PDF). www.lumchang.com.sg. Archived (PDF) from the original on 10 July 2021. Retrieved 10 July 2021.

medium.com (Global: 551^st place; English: 406^th place)

Sim, Daniel (1 December 2016). "How the Circle Line rogue train was caught with data". Medium. Data.gov.sg Blog. Archived from the original on 7 December 2024. Retrieved 6 December 2024.

mot.gov.sg (Global: low place; English: low place)

"Circle Line Station Names LTA Announces Finalised Names For Circle Line Stages 1-3 Stations And Seeks Views On Names For Circle Line Stages 4 And 5 Stations". www.mot.gov.sg. Archived from the original on 29 January 2019. Retrieved 28 April 2020.
"MOT Singapore – Gain new perspectives on land, sea & air transport". www.mot.gov.sg. Archived from the original on 25 July 2020. Retrieved 28 April 2020.
"Welcome Remarks By Mr Raymond Lim At The Opening Of The Circle Line From Dhoby Ghaut To Bartley on 16 April 2010". www.mot.gov.sg. Archived from the original on 1 May 2020. Retrieved 1 May 2020.
"Speech by Mr Tharman Shanmugaratnam at the Circle Line Opening Ceremony on 7 Oct 2011". www.mot.gov.sg. Archived from the original on 1 May 2020. Retrieved 1 May 2020.
"Circle Line from Marymount to HarbourFront to open". www.mot.gov.sg. Archived from the original on 19 November 2020. Retrieved 28 April 2020.
"Speech by Mr Lui Tuck Yew at the Opening Ceremony of the Circle Line Extension on 13 January 2012". www.mot.gov.sg. Archived from the original on 4 September 2020. Retrieved 21 April 2020.
"Circle Line and Tuas West Extension updates". www.mot.gov.sg. Archived from the original on 3 September 2020. Retrieved 21 April 2020.
"Speech by Mr Lui Tuck Yew at the Downtown Line 3 Groundbreaking Ceremony". www.mot.gov.sg. Retrieved 28 April 2020.^{[permanent dead link]}
"Speech by Mr Lui Tuck Yew at visit to DTL1 Chinatown Station on 17 January 2013". MOT. 17 January 2013. Archived from the original on 26 February 2020. Retrieved 19 September 2019.
"Speech by Minister For Transport Mr Ong Ye Kung at MOT Committee of Supply Debate 2021 on A Tale of Three Connections". www.mot.gov.sg. Archived from the original on 14 April 2021. Retrieved 8 March 2021.
"Four more trains for Circle Line as ridership rises (27 June 2015)" (PDF). The Straits Times. Retrieved 28 December 2020.

mothership.sg (Global: 9,117^th place; English: 5,198^th place)

Fiona Tan (10 May 2022). "Bishan Circle Line MRT platform was filled with morning rush hour commuters". mothership.sg. Retrieved 31 July 2025.
"Is the Circle Line yellow or orange? LTA & SMRT have an answer". mothership.sg. Archived from the original on 24 December 2020. Retrieved 28 December 2020.

nas.gov.sg (Global: low place; English: 8,041^st place)

"Signing of E&M contracts ceremony". NAS. 12 June 1998. Archived from the original on 20 March 2020. Retrieved 23 November 2019.
"Circle Line and Kallang/Paya Lebar Expressway". NAS. 28 April 2001. Archived from the original on 6 March 2020. Retrieved 23 November 2019.
"News 5 Tonight (12 December 2003)". MediaCorp (retrieved from NAS). Archived from the original on 19 July 2019. Retrieved 19 July 2019.
"COMMITTEE OF INQUIRY CONCLUDES STRING OF CRITICAL DESIGN ERRORS CAUSED COLLAPSE AT NICOLL HIGHWAY" (PDF). 13 May 2005. Archived (PDF) from the original on 9 May 2016. Retrieved 18 September 2017.

news.gov.sg (Global: low place; English: low place)

Tuas West Extension Groundbreaking Ceremony Speech (PDF) (Speech). Land Transport Authority. 4 May 2012. Archived from the original (PDF) on 29 September 2013.

nlb.gov.sg (Global: 1,268^th place; English: 772^nd place)

eresources.nlb.gov.sg

"Circle line 'needed with 4 million people'". The Straits Times (retrieved from NLB). 4 November 1989. Archived from the original on 6 October 2019. Retrieved 6 October 2019.
"Completing the Circle via Holland V". Today (retrieved from NLB). 13 December 2003. Archived from the original on 6 September 2019. Retrieved 6 September 2019.
"Annex A Finalised Names For Circle Line (CCL) Stages 1-3 Stations". www.lta.gov.sg. Archived from the original on 18 December 2006.
"Finalised Names For Circle Line (CCL) Stages 4&5 Stations". www.lta.gov.sg. Archived from the original on 18 December 2006.
"Station Names For Circle Line Stages 4 And 5". www.lta.gov.sg. 7 November 2005. Archived from the original on 23 April 2010.
"Early Opening for Circle Line from Bartley to Marymount" (PDF). www.lta.gov.sg. Archived from the original (PDF) on 21 February 2013. Retrieved 16 April 2009.
"Connect - October 2011" (PDF). www.lta.gov.sg. Archived from the original (PDF) on 5 February 2018.
"LTA Annual Safety Award Convention 2005". lta.gov.sg. Archived from the original on 30 November 2009.
"Award Of Second Civil Works Contract For The Marina Line". lta.gov.sg. 7 August 2001. Archived from the original on 1 May 2009. Retrieved 2 May 2009.
"Civil Works Contract Awarded For The Marina Line". www.lta.gov.sg. Archived from the original on 1 May 2009. Retrieved 23 April 2010.
"Award Of Contracts For Stage 3 Of Circle Line". www.lta.gov.sg. 31 July 2003. Archived from the original on 6 August 2008. Retrieved 19 June 2020.
"Award Of Contracts For Stage 3 Of Circle Line". www.lta.gov.sg. 27 June 2003. Archived from the original on 6 October 2008. Retrieved 19 June 2020.
"Award Of Contract For CCL Marina Bay Station". Land Transport Authority. Archived from the original on 31 December 2013.
"List of contracts awarded for Downtown Line 1" (PDF). Land Transport Authority. Archived from the original (PDF) on 1 November 2015.

planningplanet.com (Global: low place; English: low place)

"Senior Planning Engineer, Shimizu, Taisei, SK E&C, Mass Rapit Transit Project - Construction of Station and Tunnel | dedicated to Project Controls". Archived from the original on 30 January 2022. Retrieved 11 July 2021.

propertyhighlights.blogspot.com (Global: low place; English: low place)

Yeo, Richard (19 September 2007). "Property Highlights of Singapore: Local Firm To Finish 2 Circle Line Stations". Property Highlights of Singapore. Archived from the original on 11 July 2021. Retrieved 18 July 2020.

railway-technology.com (Global: 7,431^st place; English: 4,962^nd place)

"ALSTOM chosen for the world's longest fully automated metro line in Singapore". railway-technology.com. 20 February 2002. Archived from the original on 1 October 2007. Retrieved 24 February 2008.

sanprotechwriting.com (Global: low place; English: low place)

"URBALIS Evolution: Controlling the Performance" (PDF). p. 4. Archived (PDF) from the original on 15 June 2020. Retrieved 16 June 2020.

smrt.com.sg (Global: low place; English: low place)

"Rail Reliability". SMRT Corporation. Archived from the original on 7 May 2024. Retrieved 5 July 2024.
"The extension on Circle Line opens with two events held concurrently at Bayfront Station and Esplanade Xchange". www.smrt.com.sg. Archived from the original on 22 April 2020. Retrieved 22 April 2020.

stecs.com.sg (Global: low place; English: low place)

"Project LTA C825 | STECS". stecs2. Archived from the original on 3 September 2020. Retrieved 27 April 2020.
"Project LTA C852". STECS. Archived from the original on 4 December 2021. Retrieved 25 December 2021.
"Singapore LTA CCL4 C855". www.stecs.com. Archived from the original on 26 November 2020. Retrieved 26 November 2020.

straitstimes.com (Global: 543^rd place; English: 346^th place)

"First JRL train arrives in Singapore; has wider doors, smaller carriages: LTA". The Straits Times. 25 September 2025. Retrieved 30 September 2025.
"Circle Line will exceed $6.7b budget" Archived 13 November 2007 at the Wayback Machine Christopher Tan, The Straits Times, 15 September 2007
"Circle Line: The longest dig". The Straits Times. 17 August 2009. Archived from the original on 21 August 2009.
"Excavation for Circle Line 6 to start in middle of next year". The Straits Times. 28 September 2018. Archived from the original on 13 October 2018. Retrieved 13 October 2018.
"Construction of Circle Line 6 to start by end of 2017, first three civil contracts awarded". The Straits Times. 8 September 2017. Archived from the original on 12 October 2017. Retrieved 12 October 2017.
Tan, Christopher (12 January 2022). "Tunnelling works for Circle Line MRT extension completed". The Straits Times. Archived from the original on 12 January 2022. Retrieved 12 January 2022.
Kok, Yufeng (6 December 2024). "Hume MRT station to open in Q2 2025; Circle Line Stage 6 to be ready in first half of 2026". The Straits Times. Archived from the original on 6 December 2024. Retrieved 6 December 2024.
"Stop-work order at Telok Blangah site is fourth this year on $6.7b MRT project" Archived 9 June 2008 at the Wayback Machine T. Rajan, The Straits Times, 22 August 2007
"Leaks, damaged cable cause of 4-hour delay on Circle Line". The Straits Times. 29 September 2011. Archived from the original on 17 October 2011. Retrieved 19 October 2011.
"Circle Line signal fault that caused train disruptions on Wednesday similar to problem in September: LTA, SMRT". The Straits Times. 2 November 2016. Archived from the original on 30 November 2016. Retrieved 3 December 2016.
Chin, Hui Shan (17 September 2024). "MRT service resumes on Circle Line after power fault causes delay for commuters". The Straits Times. ISSN 0585-3923. Archived from the original on 26 September 2024. Retrieved 26 September 2024.
Keanen Ang (12 March 2025). "Forum: Look at rejuvenating Circle Line too". The Straits Times. Retrieved 31 July 2025.
"Circle Line's Cantonment MRT station contract goes to China State Construction for $205m, Transport News & Top Stories - The Straits Times". 20 September 2019. Archived from the original on 20 September 2019. Retrieved 20 September 2019.
"Prince Edward MRT station contract awarded to China Railway Tunnel Group, Transport News & Top Stories - The Straits Times". 5 March 2020. Archived from the original on 5 March 2020. Retrieved 5 March 2020.
"Biggest underground train depot set to become even bigger, Transport News & Top Stories - The Straits Times". 5 March 2020. Archived from the original on 5 March 2020. Retrieved 5 March 2020.
"Biggest underground train depot set to become even bigger". The Straits Times. 30 October 2015. Archived from the original on 10 March 2016. Retrieved 4 March 2016.
Kok Yufeng (11 March 2022). "New train for Circle Line MRT arrives in Singapore; first of 23 to be shipped here | The Straits Times". The Straits Times. Archived from the original on 14 March 2022. Retrieved 11 March 2022.

todayonline.com (Global: 2,806^th place; English: 1,637^th place)

"Signal interference issue plagues Circle Line again". TODAYonline. Archived from the original on 20 December 2016. Retrieved 3 December 2016.

turnlav.net (Global: low place; English: low place)

tsdtemp.turnlav.net

"Singapore Northeast Line: will soon be the largest, fully automatic metro system in the world" (PDF). pp. 4 to 8. Archived (PDF) from the original on 15 June 2020. Retrieved 16 June 2020.

web.archive.org (Global: 1^st place; English: 1^st place)

"Rail Reliability". SMRT Corporation. Archived from the original on 7 May 2024. Retrieved 5 July 2024.
"ALSTOM chosen for the world's longest fully automated metro line in Singapore". railway-technology.com. 20 February 2002. Archived from the original on 1 October 2007. Retrieved 24 February 2008.
"Circle line 'needed with 4 million people'". The Straits Times (retrieved from NLB). 4 November 1989. Archived from the original on 6 October 2019. Retrieved 6 October 2019.
"Signing of E&M contracts ceremony". NAS. 12 June 1998. Archived from the original on 20 March 2020. Retrieved 23 November 2019.
"Circle Line and Kallang/Paya Lebar Expressway". NAS. 28 April 2001. Archived from the original on 6 March 2020. Retrieved 23 November 2019.
"Circle Line Stage 3". www.lta.gov.sg. 20 January 2003. Archived from the original on 26 May 2003. Retrieved 15 July 2019.
"Completing the Circle via Holland V". Today (retrieved from NLB). 13 December 2003. Archived from the original on 6 September 2019. Retrieved 6 September 2019.
"News 5 Tonight (12 December 2003)". MediaCorp (retrieved from NAS). Archived from the original on 19 July 2019. Retrieved 19 July 2019.
"Appointment Of Operator For The Circle Line". www.lta.gov.sg. 8 August 2001. Archived from the original on 24 December 2002. Retrieved 19 July 2019.
"Circle Line Station Names LTA Announces Finalised Names For Circle Line Stages 1-3 Stations And Seeks Views On Names For Circle Line Stages 4 And 5 Stations". www.mot.gov.sg. Archived from the original on 29 January 2019. Retrieved 28 April 2020.
"MOT Singapore – Gain new perspectives on land, sea & air transport". www.mot.gov.sg. Archived from the original on 25 July 2020. Retrieved 28 April 2020.
"Circle Line could cost taxpayers $10 billion". AsiaOne Motoring. Archived from the original on 8 October 2011. Retrieved 21 August 2016.
"Circle Line will exceed $6.7b budget" Archived 13 November 2007 at the Wayback Machine Christopher Tan, The Straits Times, 15 September 2007
"Part of Circle Line opens today". ChannelNewsAsia. 28 May 2009. Archived from the original on 28 May 2009. Retrieved 28 May 2009.
"LTA completes final tunnelling work on Circle Line". Channel News Asia. 17 August 2009. Archived from the original on 19 October 2012.
"Circle Line: The longest dig". The Straits Times. 17 August 2009. Archived from the original on 21 August 2009.
"Welcome Remarks By Mr Raymond Lim At The Opening Of The Circle Line From Dhoby Ghaut To Bartley on 16 April 2010". www.mot.gov.sg. Archived from the original on 1 May 2020. Retrieved 1 May 2020.
"Circle Line from Bartley to Dhoby Ghaut to Open 17 April". www.lta.gov.sg. Archived from the original on 21 June 2011. Retrieved 26 January 2010.
"Speech by Mr Tharman Shanmugaratnam at the Circle Line Opening Ceremony on 7 Oct 2011". www.mot.gov.sg. Archived from the original on 1 May 2020. Retrieved 1 May 2020.
"Circle Line from Marymount to HarbourFront to open". www.mot.gov.sg. Archived from the original on 19 November 2020. Retrieved 28 April 2020.
"Train crowding to ease with launch of full Circle Line: Minister Lui". 2 August 2011. Archived from the original on 13 April 2016. Retrieved 21 August 2016.
"The extension on Circle Line opens with two events held concurrently at Bayfront Station and Esplanade Xchange". www.smrt.com.sg. Archived from the original on 22 April 2020. Retrieved 22 April 2020.
"Speech by Mr Lui Tuck Yew at the Opening Ceremony of the Circle Line Extension on 13 January 2012". www.mot.gov.sg. Archived from the original on 4 September 2020. Retrieved 21 April 2020.
"Circle Line and Tuas West Extension updates". www.mot.gov.sg. Archived from the original on 3 September 2020. Retrieved 21 April 2020.
"Factsheet: Completion of Circle Line 6 Tunnelling Works". Archived from the original on 12 January 2022.
"Speech by Mr Lui Tuck Yew at visit to DTL1 Chinatown Station on 17 January 2013". MOT. 17 January 2013. Archived from the original on 26 February 2020. Retrieved 19 September 2019.
"Circle Line 6 - Projects - Public Transport - Land Transport Authority". Archived from the original on 5 January 2016. Retrieved 21 August 2016.
"Tender information | Land Transport Authority". www.lta.gov.sg. Archived from the original on 24 April 2017. Retrieved 23 April 2017.
"Tender information | Land Transport Authority". www.lta.gov.sg. Archived from the original on 24 April 2017. Retrieved 23 April 2017.
"Tender information | Land Transport Authority". www.lta.gov.sg. Archived from the original on 24 April 2017. Retrieved 23 April 2017.
"LTA Invites Public to Suggest MRT station Names for Circle Line 6 stations | Press Room | Land Transport Authority". www.lta.gov.sg. Archived from the original on 18 September 2017. Retrieved 18 September 2017.
"Wanted: Names for 3 new Circle Line stations". Channel NewsAsia. 15 May 2017. Archived from the original on 16 May 2017. Retrieved 15 May 2017.
"Excavation for Circle Line 6 to start in middle of next year". The Straits Times. 28 September 2018. Archived from the original on 13 October 2018. Retrieved 13 October 2018.
"First CCL6 contracts awarded by LTA". ChannelNewsAsia. Archived from the original on 12 October 2017. Retrieved 12 October 2017.
"Construction of Circle Line 6 to start by end of 2017, first three civil contracts awarded". The Straits Times. 8 September 2017. Archived from the original on 12 October 2017. Retrieved 12 October 2017.
"Speech by Minister For Transport Mr Ong Ye Kung at MOT Committee of Supply Debate 2021 on A Tale of Three Connections". www.mot.gov.sg. Archived from the original on 14 April 2021. Retrieved 8 March 2021.
Tan, Christopher (12 January 2022). "Tunnelling works for Circle Line MRT extension completed". The Straits Times. Archived from the original on 12 January 2022. Retrieved 12 January 2022.
"Circle Line 6 tunnelling works complete, 3 new stations set to open in 2026". CNA. 12 January 2022. Archived from the original on 12 January 2022. Retrieved 12 January 2022.
"Factsheet: Completion of Circle Line 6 Tunnelling Works". LTA. 12 January 2022. Archived from the original on 12 January 2022. Retrieved 12 January 2022.
Kok, Yufeng (6 December 2024). "Hume MRT station to open in Q2 2025; Circle Line Stage 6 to be ready in first half of 2026". The Straits Times. Archived from the original on 6 December 2024. Retrieved 6 December 2024.
"COMMITTEE OF INQUIRY CONCLUDES STRING OF CRITICAL DESIGN ERRORS CAUSED COLLAPSE AT NICOLL HIGHWAY" (PDF). 13 May 2005. Archived (PDF) from the original on 9 May 2016. Retrieved 18 September 2017.
"Stop-work order at Telok Blangah site is fourth this year on $6.7b MRT project" Archived 9 June 2008 at the Wayback Machine T. Rajan, The Straits Times, 22 August 2007
"Road above Circle Line construction site caves in" Archived 26 May 2008 at the Wayback Machine CNA Live, Channel NewsAsia, 24 May 2008
"Leaks, damaged cable cause of 4-hour delay on Circle Line". The Straits Times. 29 September 2011. Archived from the original on 17 October 2011. Retrieved 19 October 2011.
"Thousands affected by Circle Line disruption". Channel News Asia. 20 September 2011. Archived from the original on 24 October 2011. Retrieved 19 October 2011.
"Faulty cable led to Circle Line disruption". Channel News Asia. 20 September 2011. Archived from the original on 26 October 2011. Retrieved 19 October 2011.
"Call for thorough probe on Circle Line disruption". Channel News Asia. 22 September 2011. Archived from the original on 25 October 2011. Retrieved 19 October 2011.
"Signal interference issue plagues Circle Line again". TODAYonline. Archived from the original on 20 December 2016. Retrieved 3 December 2016.
"Circle Line signal fault that caused train disruptions on Wednesday similar to problem in September: LTA, SMRT". The Straits Times. 2 November 2016. Archived from the original on 30 November 2016. Retrieved 3 December 2016.
Sim, Daniel (1 December 2016). "How the Circle Line rogue train was caught with data". Medium. Data.gov.sg Blog. Archived from the original on 7 December 2024. Retrieved 6 December 2024.
"Circle Line train services resume after 14-hour disruption". CNA. Archived from the original on 30 September 2023.
Chin, Hui Shan (17 September 2024). "MRT service resumes on Circle Line after power fault causes delay for commuters". The Straits Times. ISSN 0585-3923. Archived from the original on 26 September 2024. Retrieved 26 September 2024.
"Circle Line shutdown on Sep 17: Maintenance team did not follow protocol, says SMRT". CNA. Archived from the original on 26 September 2024. Retrieved 26 September 2024.
"LTA | Getting Around | Public Transport | Rail Network | Circle Line". www.lta.gov.sg. Archived from the original on 1 November 2019. Retrieved 29 April 2020.
"Circle Line 6 tunnelling works complete, 3 new stations set to open in 2026". CNA. Archived from the original on 12 January 2022. Retrieved 29 August 2023.
"Is the Circle Line yellow or orange? LTA & SMRT have an answer". mothership.sg. Archived from the original on 24 December 2020. Retrieved 28 December 2020.
"Project LTA C825 | STECS". stecs2. Archived from the original on 3 September 2020. Retrieved 27 April 2020.
"Marina Mass Rapid Transit (MRT) Line (C824 – Design and Build Tender)". CPG Consultants. Archived from the original on 9 October 2020. Retrieved 10 October 2020.
"Lum Chang - Civil & Infrastructure". www.lumchang.com.sg. Archived from the original on 12 October 2020. Retrieved 17 August 2020.
"CPG Consultants - Circle Line Stage 2 - Geotechnical and Structural Engineering Consultancy Services (Contract 823)". www.cpgcorp.com.sg. Archived from the original on 10 July 2021. Retrieved 17 August 2020.
"Projects - Rail". www.lta.gov.sg. 4 February 2009. Archived from the original on 19 September 2009.
"Lum Chang Technical Brochure" (PDF). www.lumchang.com.sg. Archived (PDF) from the original on 10 July 2021. Retrieved 10 July 2021.
"Projects - Rail". www.lta.gov.sg. 4 February 2009. Archived from the original on 19 September 2009.
"LTA may replace Circle Line contractor". www.asiaone.com. Archived from the original on 18 July 2020. Retrieved 18 July 2020.
Yeo, Richard (19 September 2007). "Property Highlights of Singapore: Local Firm To Finish 2 Circle Line Stations". Property Highlights of Singapore. Archived from the original on 11 July 2021. Retrieved 18 July 2020.
"Projects - Rail". www.lta.gov.sg. 5 August 2008. Archived from the original on 6 August 2009. Retrieved 19 June 2020.
"Project LTA C852". STECS. Archived from the original on 4 December 2021. Retrieved 25 December 2021.
"Projects - Rail". www.lta.gov.sg. 5 August 2008. Archived from the original on 6 August 2009. Retrieved 19 June 2020.
"Award Of Contract For Construction And Completion Of Adam And Farrer Stations". www.lta.gov.sg. Archived from the original on 6 September 2012. Retrieved 19 November 2020.
"Singapore LTA CCL4 C855". www.stecs.com. Archived from the original on 26 November 2020. Retrieved 26 November 2020.
"Award of Contract for Construction And Completion of Holland, Buona Vista And NUH Stations". www.lta.gov.sg. Archived from the original on 14 January 2012. Retrieved 26 November 2020.
"Senior Planning Engineer, Shimizu, Taisei, SK E&C, Mass Rapit Transit Project - Construction of Station and Tunnel | dedicated to Project Controls". Archived from the original on 30 January 2022. Retrieved 11 July 2021.
"LTA | News Room | News Releases | LTA Awards First Three Civil Contracts for Circle Line 6". 5 March 2020. Archived from the original on 5 March 2020. Retrieved 5 March 2020.
"First Circle Line 6 contracts worth S$1.75b awarded by LTA - CNA". 5 March 2020. Archived from the original on 5 March 2020. Retrieved 5 March 2020.
"Circle Line 6". Archived from the original on 20 September 2019. Retrieved 20 September 2019.
"Circle Line's Cantonment MRT station contract goes to China State Construction for $205m, Transport News & Top Stories - The Straits Times". 20 September 2019. Archived from the original on 20 September 2019. Retrieved 20 September 2019.
"News Room - News Releases - LTA Awards Final Construction Contract for Circle Line 6". LTA. 10 November 2017. Archived from the original on 30 October 2020. Retrieved 30 October 2020.
"Upcoming Projects - Rail Expansion - Circle Line 6". LTA. 12 June 2020. Archived from the original on 20 September 2019. Retrieved 30 October 2020.
"LTA | News Room | News Releases | LTA Awards Construction Contract for Circle Line 6 Prince Edward Station and Tunnels". 5 March 2020. Archived from the original on 5 March 2020. Retrieved 5 March 2020.
"Prince Edward MRT station contract awarded to China Railway Tunnel Group, Transport News & Top Stories - The Straits Times". 5 March 2020. Archived from the original on 5 March 2020. Retrieved 5 March 2020.
"Projects". Home. Archived from the original on 27 January 2021. Retrieved 21 April 2020.
Shereena Sajeed (4 March 2009). "World's largest underground depot opens in Singapore". Channel News Asia. Archived from the original on 19 October 2012. Retrieved 17 June 2022.
"LTA | News Room | News Releases | Joint Release by the Land Transport Authority (LTA) & SLA - Circle Line 6 – Becoming A Full Circle". 5 March 2020. Archived from the original on 5 March 2020. Retrieved 5 March 2020.
"Biggest underground train depot set to become even bigger, Transport News & Top Stories - The Straits Times". 5 March 2020. Archived from the original on 5 March 2020. Retrieved 5 March 2020.
"Alstom in Singapore" (PDF). Alstom. 8 December 2019. Archived from the original (PDF) on 8 December 2019. Retrieved 8 December 2019.
Tuas West Extension Groundbreaking Ceremony Speech (PDF) (Speech). Land Transport Authority. 4 May 2012. Archived from the original (PDF) on 29 September 2013.
AWARD OF ELECTRICAL & MECHANICAL SYSTEMS CONTRACT 830 FOR THE MARINA line Archived 27 May 2011 at the Wayback Machine
"Biggest underground train depot set to become even bigger". The Straits Times. 30 October 2015. Archived from the original on 10 March 2016. Retrieved 4 March 2016.
"LTA and SMRT Award Contracts for New Trains and Re-Signalling Project". Land Transport Authority. 1 February 2012. Archived from the original on 29 September 2013. Retrieved 16 November 2013.
"Alstom to supply 34 Metropolis trains and upgrade signaling on the system". 3 February 2012. Archived from the original on 31 December 2013. Retrieved 16 November 2013.
"Tender information | Land Transport Authority". www.lta.gov.sg. Archived from the original on 15 July 2019. Retrieved 23 April 2017.
Kok Yufeng (11 March 2022). "New train for Circle Line MRT arrives in Singapore; first of 23 to be shipped here | The Straits Times". The Straits Times. Archived from the original on 14 March 2022. Retrieved 11 March 2022.
"Singapore Northeast Line: will soon be the largest, fully automatic metro system in the world" (PDF). pp. 4 to 8. Archived (PDF) from the original on 15 June 2020. Retrieved 16 June 2020.
"URBALIS Evolution: Controlling the Performance" (PDF). p. 4. Archived (PDF) from the original on 15 June 2020. Retrieved 16 June 2020.
"Global Project Portfolio". westinghouse-brakes.com. Archived from the original on 27 August 2016.

westinghouse-brakes.com (Global: low place; English: low place)

"Global Project Portfolio". westinghouse-brakes.com. Archived from the original on 27 August 2016.

worldcat.org (Global: 5^th place; English: 5^th place)

search.worldcat.org

Chin, Hui Shan (17 September 2024). "MRT service resumes on Circle Line after power fault causes delay for commuters". The Straits Times. ISSN 0585-3923. Archived from the original on 26 September 2024. Retrieved 26 September 2024.

yahoo.com (Global: 38^th place; English: 40^th place)

sg.news.yahoo.com

"Train crowding to ease with launch of full Circle Line: Minister Lui". 2 August 2011. Archived from the original on 13 April 2016. Retrieved 21 August 2016.
Sim, Fann (2 August 2011). "Train crowding to ease with launch of full Circle Line: Minister Lui". Yahoo News.

sg.finance.yahoo.com

"Bishan MRT Circle Line 'human flood' photo sparks buzz".

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