Cross Island MRT line explained

Cross Island Line
Native Name:
  • Malay: Laluan MRT Rentas Pulau
  • Chinese: 跨岛地铁线
  • Tamil: குறுக்குத் தீவு ரயில் பாதை
Type:Rapid transit
System:Mass Rapid Transit (Singapore)
Start:
End:
Locale:Singapore
Owner:Land Transport Authority
Operator:TBA
Depot:Changi East
Character:Fully underground
Stock:CRRC Qingdao Sifang CR151
Electrification: [1]
Map State:hide

The Cross Island Line (CRL) is a high capacity Mass Rapid Transit (MRT) line under development in Singapore. It will run in an east–west direction from Changi to Jurong Industrial Estate via Loyang, Pasir Ris, Hougang, Serangoon North, Ang Mo Kio, Sin Ming, Bukit Timah, Clementi and West Coast. From Pasir Ris, the line will branch off to Punggol.[2] The 58km (36miles) line will replace the East–West Line as the longest line on the MRT network upon its complete opening by the 2040s, serving about 27 stations.[3]

Plans for the line were first announced in 2013. The CRL is envisioned to serve various key hubs including the Jurong Lake District and the Punggol Digital District, offering an alternative east–west connection to alleviate passenger load on the East–West Line. Shortly after the announcement, calls were made by some nature groups to divert the line tunnels away from the Central Catchment Nature Reserve (CCNR). Nevertheless, the Government ultimately decided after years of assessments and deliberation to continue with the original direct route in 2019, citing commuting time and economic factors as well as long-term energy consumption. The alignment and stations for CRL1 were finalised in 2019, followed by the Punggol branch in 2020 and Phase 2 in 2022.[4] The proposed full line is expected to have a daily ridership of over one million in the long term,[5] and to cost an estimated S$40.7 billion.[6]

History

Announcement

The Cross Island Line was first announced by then Transport Minister Lui Tuck Yew on 17 January 2013. The line was planned to relieve congestion on the existing East–West Line and slated to begin at Changi on Singapore's eastern coast, passing through the major eastern towns including Pasir Ris, Hougang and Ang Mo Kio. From this point, it would proceed further west toward Bukit Timah, Clementi and West Coast, before terminating in the Jurong Industrial Estate. A branch line was to connect the mainline to Punggol. The line was planned to be 50 km long and open in 2030.[7] [8] Studies on the Cross Island Line began in May 2013.[9]

Line alignment

Since its announcement, there has been controversy over the alignment of the line's Bukit Timah stretch crossing the Central Catchment Nature Reserve (CCNR) and MacRitchie Reservoir, which prompted the Nature Society Singapore to call for the line's realignment. Environmental groups have urged the Government not to build the MRT line under the CCNR.[10]

On 19 July 2013, the NSS put forward two proposed alternative alignments:[11] a northern route that would run close to the Thomson–East Coast Line, heading west towards Mandai, Sungei Kadut and Gali Batu before terminating at Choa Chu Kang, and a southern route skirting the reserve along Lornie Road. One engineering professor Lee Der-Horng noted the possible feasibility of constructing the line through the reserve without impacting the environment, though he said the decision "shouldn’t be just based on transport".[12]

A tender to assess the environmental impact of the line was called for on 24 February 2014 to facilitate civil works for the line.[13] In July 2014, the LTA appointed Environmental Resources Management (S) Pte Ltd (ERM) to conduct the Environmental Impact Assessment (EIA) for the section of the line around and through the nature reserve. The EIA was to be conducted in two phases, with the first studying the ecosystem and physical conditions along both the straight and skirting alignments, as well as assessing how construction and operation of the line would affect the CCNR.[14] The Phase 1 EIA report was released in February 2016.[15] [16]

Soil investigation works along the CCNR began in February 2017 and by October, was announced to be nearing completion by the end of the year.[10] On 20 March 2018, the LTA declared that the findings on the environmental impact of drilling and other initial works would be completed later that year.[17] The Phase 2 EIA report was released in September 2019.[18] On 4 December 2019, the Ministry of Transport confirmed that the direct route underneath the CCNR had been chosen, with mitigating factors such as tunnelling deeper than usual under the CCNR as well as no surface works in the area. The construction cost is also expected to be $2 billion lower than the alternative alignments.[19]

Phase 1

On 25 January 2019, then Transport Minister Khaw Boon Wan announced the alignment of CRL Phase 1 (CRL1). This segment of the line, spanning 29km (18miles), consists of 12 stations from Aviation Park station to Bright Hill station. A new 57-hectare Changi East Depot was to be built to serve the line. CRL Phase 1 is expected to be completed in 2030.[20] [21] [22]

Punggol Extension

On 10 March 2020, a branch line from Pasir Ris station to Punggol station was announced. The 7.3km (04.5miles) Punggol extension, consisting of four stations between this station and Punggol, was expected to be completed in 2031.[23] [24] However, the restrictions imposed on construction works due to the COVID-19 pandemic have led to delays and the completion dates for CRL1 and CRLe were pushed by one year to 2030 and 2032 respectively.[25] Construction of CRL1 officially began on 18 January 2023.[26] [27] As of January 2022, there are no plans to extend the Punggol branch to Jalan Kayu.[28]

Phase 2

In December 2021, as part of a virtual exhibition by the LTA, a future system map depicted a series of 11 unnamed stations on the western half of the CRL.[29] The map also showed the western segment interchanging with existing and under-construction stations: King Albert Park, Clementi, Jurong Pier and Gul Circle stations. The map, along with the virtual exhibition, has since been offline. The LTA explained that the route was a "conceptual alignment" yet to be finalised, with the interchange stations being tentative.[30]

On 20 September 2022, then Transport Minister S. Iswaran confirmed the stations for Phase 2 of the CRL. Expected to open in 2032, the 15km (09miles) segment spans six stations from Turf City station to Jurong Lake District station.[31] [32] Construction of these stations is expected to start in 2023.

Phase 3

Based on tender documents, The Straits Times projected in February 2022 that civil works for the CRL might be completed by end-2033, with operations beginning in 2034 or later. The CRL is to be completed in three phases. However, the LTA stated that the exact timeline is unclear and will only be known with the completion of advanced engineering studies.[33] It is projected that the second and third phases will be about 14km (09miles) and 13km (08miles) long respectively.[34] The Phase 3 segment is predicted to have four stations, with tentative stations CR21 and CR24 on the Phase 3 segment interchanging with the Jurong Region Line and the East–West Line.[35] An additional shell station might be built as part of the segment. As of 16 August 2024, engineering studies for Phase 3 have not yet been completed.[36]

Future plans

In conceptual plans for the redevelopment of Paya Lebar Air Base, an additional station (labelled "PLAB") has been proposed between Defu and Tampines North stations to serve the new developments.[37]

Network and operations

Route

The 58km (36miles)-long CRL is planned to run in a generally east–west direction, serving 27 stations and being an alternative route to the existing East–West (EWL) and Downtown (DTL) lines.[38] Phase 1 of the line goes west from Changi, in the east, to Pasir Ris. The line branches off to Punggol Digital District and goes south-west towards Tampines North, and west to Hougang, and further towards Sin Ming via Ang Mo Kio. Phase 2 of the line connects Bukit Timah to Sin Ming, tunneling through the CCNR, before continuing south-west to West Coast via Clementi, before heading north-west to Jurong Lake District. Phase 3 concludes the line at the Jurong Industrial Estate.

Services

At least half of the CRL stations are to interchange with existing lines, providing alternative routes for commuters. The LTA is also studying a possible extension to Changi Airport Terminal 5.[39]

The Government briefly considered in 2014 implementing an express service for the CRL.[40] However, then Transport Minister Khaw announced in 2018 that express services were considered not feasible, citing the higher cost needed to build extra tracks and additional signalling systems that can affect non-express commuters and existing lines.[41]

Stations

Names stated are working names, except for the existing interchange stations.[20]

Cross Island Line stations timeline! Date !! Project !! Description
2030 Phase 1 Aviation Park - Bright Hill
2032 Punggol Extension Pasir Ris - Punggol
2032 Phase 2 Turf City - Jurong Lake District

Legend

List
Station codeStation nameImagesInterchange;
Adjacent transportation		OpeningCost
Phase 1 (under construction, to be ready by 2030)

  		rowspan="2"  Changi Ferry Terminal  S$320 million[42] [43]
S$356 million[44]

  		rowspan="2" rowspan="3"
S$748 million[45] [46]

  		S$363 million[47]


  		  (2032)
 
―
 Pasir Ris 		S$980 million[48]

  		rowspan="2"  Tampines North S$397 million[49]
S$446 million[50]

  		rowspan="2" rowspan="2"
S$467 million

   		 
―
 Hougang Central 		S$604 million[51]

  		rowspan="2" S$407 million[52] [53]

 

  		 
―
 Ang Mo Kio 		S$644 million[54]

  		S$615.9 million[55]

   		rowspan= "2"   S$526 million[56]
S$758 million[57]
Phase 2 (planned, to be ready by 2032)

  		S$530 million[58]

   		 S$447 million[59]

  		rowspan="2" S$480 million[60]
S$199 million

  		 
―
 Clementi		S$514 million

  		rowspan="2" S$510 million[61]
S$242 million[62]

  		S$590 million[63]
Punggol Extension (under construction, to be ready by 2032)[64]


  		 
 
―
 Pasir Ris 		S$980 million

  		$562 million[65]
–
  		   S$1.1 billion[66]

  		 
 
 Punggol		S$496 million

Depots

Train control

The Cross Island Line will be equipped with Siemens Trainguard Communications-based train control (CBTC) moving block signalling system with Automatic train control (ATC) under Automatic train operation (ATO) GoA 4 (UTO).[70]

Rolling stock

Services on the CRL are to be provided by six-car electric multiple units designed and manufactured by CRRC Qingdao Sifang in Qingdao, known as the CRRC Qingdao Sifang CR151. These trains draw power from an overhead conductor rail, and are to be equipped with condition monitoring equipment to allow for quick identification of any potential problems.[71] In addition, they are to have five doors per side per carriage (also present on the T251 trains) as well as wider gangway connections carriages compared to other trains on the MRT network, which the LTA claims allow for smoother commuter movement on, off and within the trains.[72]

The LTA announced that it had awarded the contract for the supply of trains for the line on 14 June 2023. Initially comprising a 44-train order, it includes an option for 11 more trains and for maintenance support of the train fleet. The trains are to be delivered progressively from 2027 onwards.[73] A CRL Train Mixed Reality Mock-up was displayed at LTA's Hampshire office as a public engagement exercise.[74] [75] [76]

Notes and references

References

External links

Notes and References

  1. Web site: LTA annual report 2021/22 . . 1 December 2022 . 44 .
  2. Web site: Speech by Mr Lui Tuck Yew, Minister for Transport, at visit to DTL1 Chinatown Station, 17 January 2013, 9.30am at DTL1 Chinatown Station. Ministry of Transport. 17 January 2013. 19 January 2013. dead. https://web.archive.org/web/20130220000708/http://app.mot.gov.sg/News_Centre/Latest_News/NewsID/6559AFFF0C92B236/Speech_by_Mr_Lui_Tuck_Yew_Minister_for_Transport_at_visit_to_DTL1_Chinatown_Station_17_January_2013.aspx. 20 February 2013.
  3. Web site: Cross Island Line . LTA . 2 September 2019 . 7 December 2021 . 27 December 2019 . https://web.archive.org/web/20191227141602/https://www.lta.gov.sg/content/ltagov/en/upcoming_projects/rail_expansion/cross_island_line.html . live .
  4. Web site: Six more MRT stations will be built in Phase 2 of Cross Island Line; to open by 2032 . 2022-09-20 . CNA . en.
  5. Web site: Land Transport Authority . 8 March 2021 . LTA Awards Civil Contract for the Cross Island Line Phase 1 . 31 August 2022 . LTA News Room.
  6. News: 2016-02-26 . A subway tunnel under Singapore's rainforest? No way, say activists . en . Reuters . 2022-08-31.
  7. Web site: Speech by Mr Lui Tuck Yew at visit to DTL1 Chinatown Station on 17 January 2013 . MOT . 19 September 2019 . 17 January 2013 . https://web.archive.org/web/20200226205104/https://www.mot.gov.sg/news-centre/news/Detail/Speech%20by%20Mr%20Lui%20Tuck%20Yew%20at%20visit%20to%20DTL1%20Chinatown%20Station%20on%2017%20January%202013/ . 26 February 2020 . live .
  8. News: More new MRT lines to be built by 2030. The Straits Times. 17 January 2013. 4 November 2017. https://web.archive.org/web/20171117010708/http://www.straitstimes.com/singapore/more-new-mrt-lines-to-be-built-by-2030. 17 November 2017. live.
  9. News: Studies for Cross Island Line to Start. The Straits Times. 4 November 2017. 4 November 2017. https://web.archive.org/web/20171107113327/http://www.straitstimes.com/singapore/transport/studies-for-cross-island-line-to-start. 7 November 2017. live.
  10. News: Soil tests for MRT line in nature reserve mostly complete. The Straits Times. 19 October 2017. 23 October 2017. https://web.archive.org/web/20171023041837/http://www.straitstimes.com/singapore/environment/soil-tests-for-mrt-line-in-nature-reserve-mostly-complete. 23 October 2017. live.
  11. Web site: Discussion and Position Paper. Nature Society (Singapore). 18 July 2013. 12 August 2013. https://web.archive.org/web/20131112110908/http://www.nss.org.sg/documents/(NSS)%20Cross-Island%20Line%20Position%20Paper.pdf. 12 November 2013. live.
  12. Web site: Nature Society proposes alternative route for Cross Island Line. TODAYOnline. 19 July 2013. 12 August 2013. https://web.archive.org/web/20130721032106/http://www.todayonline.com/singapore/nature-society-proposes-alternative-route-cross-island-line-0. 21 July 2013. live.
  13. Web site: LTA to suss out new MRT line's green impact. AsiaOne. 25 February 2014. 8 May 2014. https://web.archive.org/web/20140508223820/http://transport.asiaone.com/news/general/story/lta-suss-out-new-mrt-lines-green-impact. 8 May 2014. Adrian. dead. Lim.
  14. Web site: Environmental Resources Management to Assess Environmental Impact of Cross Island Line. Land Transport Authority. 4 July 2014. 13 July 2014. dead. https://web.archive.org/web/20140715000332/http://app.lta.gov.sg/apps/news/page.aspx?c=2&id=8329277d-65c8-4873-be95-fc9ad4e91b50. 15 July 2014.
  15. News: Chai Chin . Neo . LTA releases environmental impact assessment report on Cross Island MRT line . 7 October 2021 . Today . 19 February 2016 . 7 October 2021 . https://web.archive.org/web/20211007171447/https://www.todayonline.com/singapore/lta-releases-environmental-impact-assessment-report-cross-island-mrt-line . live .
  16. Web site: Cross Island Line Site Investigations Completed . Land Transport Authority . 7 October 2021 . 7 October 2021 . https://web.archive.org/web/20211007171445/https://www.lta.gov.sg/content/ltagov/en/newsroom/2018/6/2/cross-island-line-site-investigations-completed.html . live .
  17. News: Cross Island Line: Findings of site investigation works to be released. The Straits Times. 20 March 2018. 22 March 2018. https://web.archive.org/web/20180323033633/http://www.straitstimes.com/singapore/environment/cross-island-line-findings-of-site-investigation-works-to-be-released. 23 March 2018. live.
  18. Web site: Environmental Impact Assessment (Phase 2) Report . Land Transport Authority . 7 October 2021 . 7 October 2021 . https://web.archive.org/web/20211007171442/https://www.lta.gov.sg/content/ltagov/en/newsroom/2019/9/2/environmental-impact-assessment-phase-2-report.html . live .
  19. Web site: Tan . Christopher . Tan . Audrey . Cross Island MRT Line to run directly under Central Catchment Nature Reserve . CNA . 4 December 2019 . 4 December 2019 . https://web.archive.org/web/20191204131454/https://www.straitstimes.com/singapore/transport/cross-island-mrt-line-to-run-directly-under-central-catchment-nature-reserve . 4 December 2019 . live .
  20. Web site: LTA News Room News Releases Joint News Release by the Land Transport Authority (LTA) & SLA – Cross Island Line 1: New Links by 2029. 5 March 2020. https://web.archive.org/web/20200305115653/https://www.lta.gov.sg/content/ltagov/en/newsroom/2019/1/2/joint-news-release-by-the-land-transport-authority-lta-sla---cross-island-line-1-new-links-by-2029.html. 5 March 2020. 5 March 2020. live.
  21. Web site: Tan . Christopher . First phase of Cross Island MRT line finalised; will have 12 stations . The Straits Times . 25 January 2019 . en . 25 January 2019 . https://web.archive.org/web/20190125130935/https://www.straitstimes.com/singapore/transport/first-phase-of-cross-island-mrt-line-finalised-will-have-12-stations . 25 January 2019 . live .
  22. Web site: First phase of Cross Island Line to open by 2029 with 12 stations – CNA. 5 March 2020. Channel NewsAsia. 5 March 2020. https://web.archive.org/web/20190125183305/https://www.channelnewsasia.com/news/singapore/cross-island-line-mrt-stations-first-phase-ready-by-2029-11164656. 25 January 2019. live.
  23. Web site: LTA News Room news-releases Cross Island Line – Punggol Extension: Better Rail Connectivity for Punggol and Pasir Ris Residents. lta.gov.sg. 10 March 2020. https://web.archive.org/web/20200310040156/https://www.lta.gov.sg/content/ltagov/en/newsroom/2020/march/news-releases/Cross_island_line_Punggol_extension.html. 10 March 2020.
  24. News: Yi . Wong Kai . Punggol and Pasir Ris residents to get four more train stations by 2031 . The Straits Times . 10 March 2020 . 8 December 2020. https://web.archive.org/web/20200310040222/https://www.straitstimes.com/singapore/transport/punggol-residents-to-get-four-more-train-stations-by-2031. 10 March 2020.
  25. Web site: Written Reply by Minister for Transport Ong Ye Kung to Parliamentary Question on Updates on Thomson East Coast Line, Jurong Region Line and Cross Island Line . Ministry of Transport (MOT) . 17 May 2021 . 17 May 2021 . https://web.archive.org/web/20210517000023/https://www.mot.gov.sg/news-centre/news/Detail/written-reply-by-minister-for-transport-ong-ye-kung-to-parliamentary-question-on-updates-on-thomson-east-coast-line-jurong-region-line-and-cross-island-line . live .
  26. Web site: Construction Commences on the Cross Island Line . LTA . 18 January 2023 . 18 January 2023.
  27. Web site: Construction of Cross Island Line begins, with 12 stations in Phase 1 . CNA . 18 January 2023 . 18 January 2023.
  28. Web site: Written Reply by Minister for Transport S Iswaran to Parliamentary Question on Proposal for Cross Island MRT Line to be Extended from Punggol West to Yio Chu Kang Road and Jalan Kayu . Ministry of Transport (MOT) . 11 January 2022 . 11 October 2023.
  29. Web site: Future System Map . LTA . 7 December 2021 . https://web.archive.org/web/20211201054240/https://www.connectingppp.lta.gov.sg/media/map_108B661B_2575_39D2_41BF_540354EDC5B8.jpeg . 1 December 2021 . dead.
  30. Web site: Yufeng . Kok . Next phases of Cross Island Line may have 11 stations . The Straits Times . 7 December 2021 . 7 December 2021 . 7 December 2021 . https://web.archive.org/web/20211207014826/https://www.straitstimes.com/singapore/possible-interchanges-in-king-albert-park-clementi-jurong-pier-gul-circle-for-cross-island . live .
  31. Web site: Chew . Hui Min . 20 September 2022 . Six more MRT stations will be built in Phase 2 of Cross Island Line; to open by 2032 . 20 September 2022 . CNA.
  32. Web site: Kok . Yufeng . 20 September 2022 . Cross Island Line phase 2 to open by 2032 with 6 MRT stations, from Turf City to Jurong Lake District . 20 September 2022 . The Straits Times.
  33. Web site: Kok . Yufeng . 21 February 2022 . Final phase of Cross Island Line may be completed in end-2033 . live . https://web.archive.org/web/20220220234210/https://www.straitstimes.com/singapore/transport/construction-of-cross-island-line-could-be-completed-in-end-2033 . 20 February 2022 . 21 February 2022 . The Straits Times.
  34. Web site: 跨岛线全长约56公里 裕廊与大士之间料设四站 . 早报 . 21 February 2022 . 21 February 2022 . Chinese . 20 February 2022 . https://web.archive.org/web/20220220230418/https://www.zaobao.com.sg/news/singapore/story20220221-1244779 . live .
  35. Web site: Auto . Hermes . 2022-02-21 . Final phase of Cross Island Line may be completed in end-2033 The Straits Times . 2023-04-09 . www.straitstimes.com . en.
  36. News: Chelvan . Vanessa Paige . 16 August 2024 . LTA awards contracts worth $599m for Cross Island Line tunnels and power supply system . live . https://web.archive.org/web/20240815154537/https://www.straitstimes.com/singapore/transport/lta-awards-contracts-worth-599m-for-cross-island-line-tunnels-and-power-supply-system . 15 August 2024 . 17 August 2024 . The Straits Times.
  37. Web site: Innovative and Active Community; Diverse and Creative Jobs & Spaces . Urban Redevelopment Authority . 6 June 2022 . 6 June 2022 . https://web.archive.org/web/20220606072152/https://www.ura.gov.sg/Corporate/Planning/Long-Term-Plan-Review/Space-for-Our-Dreams-Exhibition/PLAB-Next-Flight/Innovative-Active-Community . live .
  38. Web site: Musfirah . Hetty . 17 January 2013 . S'pore to have two new MRT lines by 2030 . https://web.archive.org/web/20130118093434/http://www.channelnewsasia.com/stories/singaporelocalnews/view/1248455/1/.html . 18 January 2013 . Channel NewsAsia.
  39. News: Changi's T5 likely to be served by 2 MRT lines. The Straits Times. 6 March 2017. 23 October 2017. https://web.archive.org/web/20171022142736/http://www.straitstimes.com/singapore/changis-t5-likely-to-be-served-by-2-mrt-lines. 22 October 2017. live.
  40. Web site: Sim . Royston . LTA to study use of express trains on Cross Island Line . The Straits Times . 7 March 2014 . 7 December 2021 . 3 June 2021 . https://web.archive.org/web/20210603173744/https://www.straitstimes.com/singapore/transport/lta-to-study-use-of-express-trains-on-cross-island-line . live .
  41. Web site: Written Reply by Minister for Transport Khaw Boon Wan to Parliamentary Question on Express Trains on New MRT Lines . Ministry of Transport (MOT) . 19 November 2018 . 7 December 2021 . 8 March 2021 . https://web.archive.org/web/20210308114802/https://www.mot.gov.sg/news-centre/news/Detail/written-reply-by-minister-for-transport-khaw-boon-wan-to-parliamentary-question-on-express-trains-on-new-mrt-lines/ . live .
  42. Web site: Yong . Clement . 8 November 2021 . Construction of Aviation Park MRT station in Changi to begin next year . live . https://web.archive.org/web/20211108125632/http://www.straitstimes.com/singapore/transport/construction-of-aviation-park-mrt-station-to-begin-next-year . 8 November 2021 . 8 November 2021 . The Straits Times.
  43. Web site: Cheng . Ian . Construction works for Aviation Park station set to begin in Q1 2022 . CNA . 8 November 2021 . 8 November 2021 . 8 November 2021 . https://web.archive.org/web/20211108141923/http://www.channelnewsasia.com/singapore/mrt-cross-island-line-aviation-park-construction-2299106 . live .
  44. News: Yong . Clement . 8 March 2021 . LTA awards $356 million contract for Cross Island Line tunnel works . live . https://web.archive.org/web/20210308055553/https://www.straitstimes.com/singapore/lta-awards-356-million-contract-for-cross-island-line-tunnel-works . 8 March 2021 . 8 March 2021 . The Straits Times.
  45. News: Wei . Toh Ting . 13 September 2021 . Multiple traffic diversions needed from end-2021 for construction of Loyang MRT station . live . https://web.archive.org/web/20210913105859/https://www.straitstimes.com/singapore/transport/multiple-traffic-diversions-needed-to-facilitate-construction-of-loyang-mrt . 13 September 2021 . 13 September 2021 . The Straits Times.
  46. Web site: Construction of Loyang MRT station on Cross Island Line to start in Q4 . CNA . 13 September 2021 . 13 September 2021 . 13 September 2021 . https://web.archive.org/web/20210913070425/https://www.channelnewsasia.com/singapore/loyang-mrt-station-cross-island-line-viaduct-2173816 . live .
  47. Web site: Firdaus Hamzah . Construction of Pasir Ris East MRT station on Cross Island Line to start in Q2 . CNA . 7 February 2022 . en . 7 February 2022 . 7 February 2022 . https://web.archive.org/web/20220207102213/http://www.channelnewsasia.com/singapore/cross-island-line-pasir-ris-east-mrt-station-2483861 . live .
  48. Web site: 26 April 2021 . LTA awards $980 million contract for Cross Island Line Pasir Ris station . live . https://web.archive.org/web/20210426134148/https://www.straitstimes.com/singapore/lta-awards-980-million-contract-for-cross-island-line-pasir-ris-station . 26 April 2021 . 10 July 2021 . The Straits Times.
  49. Web site: LTA Awards Civil Contracts for Design and Construction of Defu and Tampines North Stations and Tunnels Along Cross Island Line Phase 1 . LTA . 22 February 2022 . 22 February 2022 . 22 February 2022 . https://web.archive.org/web/20220222075607/https://www.lta.gov.sg/content/ltagov/en/newsroom/2022/2/news-releases/LTA_awards_civil_contracts_for_design_and_construction.html . live .
  50. Web site: Cheng . Ian . Construction works for Aviation Park station set to begin in Q1 2022 . CNA . 8 November 2021 . 8 November 2021 . 8 November 2021 . https://web.archive.org/web/20211108141923/http://www.channelnewsasia.com/singapore/mrt-cross-island-line-aviation-park-construction-2299106 . live .
  51. Web site: LTA | LTA Awards Civil Contract for Design and Construction of Hougang Interchange Station and Tunnels for the Cross Island Line Phase 1. www.lta.gov.sg. 10 July 2021. 10 July 2021. https://web.archive.org/web/20210710152104/https://www.lta.gov.sg/content/ltagov/en/newsroom/2021/3/news-release/LTA_awards_civil_contract_for_design_and_construction_of_Hougang_interchange_station.html. live.
  52. Web site: Construction of Serangoon North, Tavistock MRT stations to begin in second quarter of 2022 . CNA . 13 January 2022 . 15 January 2022 . 15 January 2022 . https://web.archive.org/web/20220115005419/https://www.channelnewsasia.com/singapore/mrt-cross-island-line-serangoon-north-tavistock-stations-2432521 . live .
  53. Web site: Toh . Ting Wei . LTA awards 2 contracts worth $861m for construction of Serangoon North, Tavistock MRT stations . The Straits Times . 13 January 2022 . 15 January 2022 . 15 January 2022 . https://web.archive.org/web/20220115005856/https://www.straitstimes.com/singapore/transport/lta-awards-2-contracts-worth-861-mil-for-construction-of-serangoon-north-and-tavistock-mrt-stations . live .
  54. Web site: LTA | LTA Awards Civil Contract for Design and Construction of Ang Mo Kio Station and Tunnels under Cross Island Line Phase 1. www.lta.gov.sg. 20 July 2021. 20 July 2021. https://web.archive.org/web/20210720035330/https://www.lta.gov.sg/content/ltagov/en/newsroom/2021/7/news-releases/civil-contract-for-amk-station-and-crl-tunnels-phase-1.html. live.
  55. Web site: 615.9 million contract awarded for North-South Corridor. STCars. 10 July 2021. 10 July 2021. https://web.archive.org/web/20210710152114/https://www.stcars.sg/guides-articles/6159-million-contract-awarded-for-north-south-corridor-148544. live.
  56. Web site: Last Civil Contract for Cross Island Line Phase 1 Awarded . LTA . 30 March 2022 . 30 March 2022 . 31 March 2022 . https://web.archive.org/web/20220331013851/https://www.lta.gov.sg/content/ltagov/en/newsroom/2022/3/news-releases/last_civil_contract_for_CRL_phase_1_awarded.html . live .
  57. News: Lee . Nian Tjoe . 5 December 2022 . LTA awards $758m contract to build MRT tunnel that will go under Central Catchment Nature Reserve . 16 August 2024 . The Straits Times.
  58. News: William . Whitney . 28 May 2024 . LTA awards $530m contract for Cross Island Line’s Turf City station; work to start in Q3 2024 . 16 August 2024 . The Straits Times.
  59. News: Loi . Esther . 2 October 2023 . LTA awards contracts worth $961m for two Cross Island Line interchange stations . 16 August 2024 . The Straits Times.
  60. News: Loi . Esther . 31 January 2024 . Work on Cross Island Line’s Maju station to start in Q2 2024; $480m contract awarded . 16 August 2024 . The Straits Times.
  61. Web site: 6 December 2023 . LTA Awards Civil Contract for Design and Construction of West Coast Station under Cross Island Line Phase 2 . 16 January 2024 . Land Transport Authority.
  62. News: Kok . Yufeng . 19 June 2024 . LTA awards Japanese joint venture $242m contract to build tunnels for Cross Island Line . 16 August 2024 . The Straits Times.
  63. News: Soh . Therese . 31 July 2024 . $590m contract awarded for Jurong Lake District MRT station and tunnels, work to start in Q4 . 16 August 2024 . The Straits Times.
  64. Web site: Cross Island Line – Punggol Extension: Better Rail Connectivity for Punggol and Pasir Ris Residents. 10 March 2020. www.lta.gov.sg. live. https://web.archive.org/web/20200310040156/https://www.lta.gov.sg/content/ltagov/en/newsroom/2020/march/news-releases/Cross_island_line_Punggol_extension.html. 10 March 2020. 10 March 2020.
  65. News: Hamzah . Aqil . 30 January 2023 . LTA awards $562m contract for MRT station, tunnels; extension to benefit over 40,000 households . 16 August 2024 . The Straits Times.
  66. News: 30 September 2022 . Construction on Riviera station on Cross Island Line’s Punggol extension to start in early 2023 . 16 August 2024 . The Straits Times.
  67. Web site: LTA Awards Contract for Changi East Depot . lta.gov.sg. . 28 May 2021 . 28 May 2021 . 16 December 2021 . https://web.archive.org/web/20211216072503/https://www.lta.gov.sg/content/ltagov/en/newsroom/2021/5/news-releases/lta-awards-contract-for-changi-east-depot.html . live .
  68. Web site: LTA awards $1.05 billion contract for Cross Island Line's Changi East Depot . Kurohi . Rei . The Straits Times . 28 May 2021 . 28 May 2021 . 16 December 2021 . https://web.archive.org/web/20211216072608/https://www.straitstimes.com/singapore/lta-awards-105-billion-contract-for-cross-island-lines-changi-east-depot . live .
  69. Web site: LTA Awards Civil Contract for Design and Construction of Tunnels between Aviation Park Station and Changi East Depot under Cross Island Line Phase 1 . LTA . 16 December 2021 . 7 June 2022 . 28 December 2021 . https://web.archive.org/web/20211228234523/https://www.lta.gov.sg/content/ltagov/en/newsroom/2021/12/news-releases/civil-contract-for-the-design-and-construction-of-tunnels-crl1.html . live .
  70. Web site: Siemens Mobility awarded contract to deliver CBTC on Singapore's ... . 2023-09-09 . press.siemens.com . en.
  71. News: Soh . Pei Xuan . 14 June 2023 . Cross Island Line to get 44 new MRT trains . CNA . Singapore . 14 June 2023.
  72. News: Loi . Esther . 14 June 2023 . LTA buys 44 new trains for Cross Island Line for $589 million . The Straits Times . Singapore . 14 June 2023 .
  73. Web site: Purchase of 44 New Trains for the Cross Island Line . LTA . 14 June 2022 .
  74. Web site: Registration Form for Public Engagement on the CRL Train Mixed Reality Mock-up . 2024-05-31 . form.gov.sg . . en.
  75. Web site: Public Engagement Exercise on the Future Cross Island Line (CRL) Trains . 31 May 2024 . form.gov.sg . Land Transport Authority.
  76. Web site: 中车制造！新加坡跨岛线地铁列车CR151新渲染图上线!_轨道交通展 . 31 May 2024 . 轨道交通展_轨道展_ARTS国际先进轨道交通技术展览会 . zh.

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