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Cross Island MRT line

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Cross Island Line
Construction works at Teck Ghee station
Overview
Native nameLaluan MRT Rentas Pulau
跨岛地铁线
குறுக்குத் தீவு ரயில் பாதை
Status
  • Under construction (Phase 1)
  • Planned (Phase 2 & Punggol Extension)
OwnerLand Transport Authority
LocaleSingapore
Termini
Stations
  • 12 (Phase 1)
  • 6 (Phase 2)
  • 3 (Punggol Extension)
Service
TypeRapid transit
SystemMass Rapid Transit (Singapore)
Operator(s)TBA
Depot(s)Changi East
History
Planned opening
  • 2030 (Phase 1)
  • 2032 (Punggol Extension and Phase 2)
  • 2040 (extension to Changi Airport T5)
Technical
Line length
  • 29 km (18 mi) (Phase 1)
  • 15 km (9.3 mi) (Phase 2)
  • 7.3 km (4.5 mi) (Punggol Extension)
  • 58 km (36 mi) (Total approximate)
CharacterFully underground
Track gauge1,435 mm (4 ft 8+1⁄2 in) standard gauge
ElectrificationOverhead conductor rail[1]
Route map

Legend
future extension
to Changi Airport T5
Changi East Depot
 CR2 
Aviation Park
 CR3 
Loyang
 CR4 
Pasir Ris East
Sungei Tampines
 EW1 
■
East–West Line
to Tuas Link
 CP1   CR5 
Pasir Ris
Sungei Api Api
 CP2 
Elias
Tampines Expressway
 CR6 
Tampines North
Kallang–P.L. Expressway
 CR7 
Defu
Sungei Serangoon
 PE4 
■
Punggol LRT
East Loop
 CP3 
Riviera
 PTC 
■
East Loop
West Loop
 NE17 
■
North East Line
to Punggol Coast
 CP4 
Punggol
 NE14 
■
North East Line
to HarbourFront
 CR8 
Hougang
 CR9 
Serangoon North
 CR10 
Tavistock
Central Expressway
 CR11 
Ang Mo Kio
 NS16 
■
← to Jurong East
to Marina South Pier →
 CR12 
Teck Ghee
Kallang River
 CR13 
Bright Hill
 TE7 
■
← to Woodlands North
to Bayshore →
Pan-Island Expressway
 CR14 
Turf City
 DT6 
■
← to Bukit Panjang
to Expo →
 CR15 
King Albert Park
 CR16 
Maju
Sungei Ulu Pandan
 CR17 
Clementi
 EW23 
■
← to Tuas Link
to Pasir Ris →
Ayer Rajah Expressway
 CR18 
West Coast
Sungei Pandan
 CR19 
Jurong Lake District
future extension
to Tuas
This diagram:

The Cross Island Line (CRL) is a high capacity Mass Rapid Transit (MRT) line under development in Singapore. The eighth MRT line, the CRL will run in the general east–west direction from Changi to Jurong Industrial Estate via Loyang, Pasir Ris, Hougang, Ang Mo Kio, Sin Ming, Bukit Timah, Clementi and the West Coast. From Pasir Ris, the line will branch off to Punggol.[2] Coloured lime on official maps, the 58-kilometre (36 mi) line will replace the East West Line as the longest line on the MRT network upon its complete opening by the 2040s, serving roughly about 27 stations.[3] It will be the sixth MRT line to be completely automated and driverless, as well as the fourth high capacity MRT line.

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, economical 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 cost an estimated S$40.7 billion.[6]

History

Announcement

The Cross Island Line was first announced by 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

Final and alternate routes crossing the Central Catchment

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 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. Engineers noted the feasibility of constructing the line through the reserve without impacting the environment, though one said the decision "shouldn’t be just based on transport".[12]

A tender to assess the environmental impact of the line was called 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 (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

Construction works at Hougang CRL site

On 25 January 2019, Transport Minister Khaw Boon Wan announced the alignment of CRL Phase 1. This segment of the line, spanning 29 kilometres (18 mi), 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 was expected to be completed in 2029.[20][21][22]

Punggol Extension

On 10 March 2020, a branch line from Pasir Ris station to Punggol station was announced.The 7.3-kilometre (4.5 mi) 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 has 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]

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.[28] The map also showed the western segment interchanging with existing and under construction stations including King Albert Park, Clementi and Jurong Pier. The line was shown to terminate at Gul Circle station. 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.[29]

On 20 September 2022, Transport Minister S. Iswaran confirmed the stations for Phase 2 of the CRL. Expected to open in 2032, the 15-kilometre (9.3 mi) segment spans six stations from Turf City station to Jurong Lake District station.[30][31][32] Construction of these stations is expected to start in 2023.[30]

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 14 kilometres (8.7 mi) and 13 kilometres (8.1 mi) long respectively.[34] The Phase 3 segment is predicted to have five stations, with tentative stations CR21 and CR24 on the Phase 3 segment interchanging with the Jurong Region line and the East West line. An additional shell station might be built as part of the segment. Engineering studies for the new phases have not yet been completed at this stage.[33]

Future Plans

In conceptual plans for the redevelopment of Paya Lebar Air Base, an additional station (labeled "Paya Lebar Air Base") has been proposed between Defu and Tampines North stations to serve the new developments.[35] An extension towards Changi Airport Terminal 5 is considered, with "CR1" being reserved for the station.[2][21]

Network and operations

Route and services

Geographically accurate map of the Cross Island MRT line

The CRL is planned to run in a general east–west direction, being an alternative route to the existing East West (EWL) and North East (NEL) lines.[7][36] At least half of the CRL stations are to interchange with existing lines, providing alternative routes for commuters.[3] The LTA is also studying a possible extension to link to the future Changi Airport Terminal 5.[37]

The Government briefly considered in 2014 to implement an express service for the CRL.[38] However, Transport Minister Khaw announced in 2018 that express services were considered not feasible, citing the need to dedicate more infrastructure for extra tracks and additional signalling systems.[39]

Stations

Notes: 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 (12 stations)
2032 Punggol Extension Pasir Ris - Punggol (3 stations)
2032 Phase 2 Turf City - Jurong Lake District (6 stations)
By 2040 Changi Airport Terminal 5 Extension Completion of the Changi Airport Terminal 5 Extension (Details to be confirmed)

Legend


Elevated		  
Line terminus
Transfer outside paid area

Ground-level
Wheelchair accessible
Bus interchange

Underground
Civil Defence Shelter 		     
Other transportation modes

List

Station code Station name Images Interchange;
Adjacent transportation 		Opening Cost
Phase 1 (under construction, to be ready by 2030)
 CR2 
 		 Aviation Park Does not appear  Changi Ferry Terminal 
2030;
6 years' time
 S$320 million[40][41][42]
S$356 million[43][44][a]
 CR3 
 		 Loyang Does not appear —
S$748 million[45][46][47]
 CR4 
 		 Pasir Ris East Does not appear S$363 million[48][49]

 CR5   CP1  EW1 
 		 Pasir Ris Does not appear   CRL Punggol Extension  (2032)
  East West Line 
―
 Pasir Ris		 S$980 million[50]
 CR6 
 		 Tampines North Does not appear  Tampines North S$397 million[51]
S$446 million[52][53][b]
 CR7 
 		 Defu Does not appear —
S$467 million
 CR8  NE14 
  		 Hougang Does not appear   North East Line 
―
 Hougang Central		 S$604 million[54]
 CR9 
 		 Serangoon North Does not appear — S$407 million[55][56]
 CR10 
 		 Tavistock Does not appear
 CR11  NS16 
 		 Ang Mo Kio Does not appear   North South Line 
―
 Ang Mo Kio		 S$644 million[57]
 CR12 
 		 Teck Ghee Does not appear — S$615.9 million[58]
 CR13  TE7 
  		 Bright Hill Does not appear   Thomson–East Coast Line  S$526 million[59]
S$758 million[60][c]
Phase 2 (planned, to be ready by 2032)
 CR14 
 		 Turf City Does not appear —
2032;
8 years' time
 TBA
 CR15  DT6 
  		 King Albert Park Does not appear   Downtown Line 
 CR16 
 		 Maju Does not appear —
 CR17  EW23 
 		 Clementi Does not appear   East West Line 
―
 Clementi
 CR18 
 		 West Coast Does not appear —
 CR19 
 		 Jurong Lake District Does not appear
Punggol Extension (under construction, to be ready by 2032)[61]

 CP1   CR5  EW1 
 		 Pasir Ris Does not appear   Cross Island Line 
  East West Line 
―
 Pasir Ris
2032;
8 years' time
 TBA
 CP2 
 		 Elias Does not appear —
 CP3 – PE4 
 		 Riviera Does not appear   PGLRT East Loop   S$1.1 billion[62]
 CP4  NE17  PTC 
 		 Punggol   North East Line 
  Punggol LRT 
 Punggol 		S$496 million[62]

The Cross Island Line's numbering scheme reserves the station code 'CR1' for a future extension towards Changi Airport.[21][2]

Depots

Number Depot name;
Lines 		Location Images Line-specific
stabling capacity 		Cost Opening
1
   Changi East  Changi Does not appear 70 trains S$1.05 billion[63][64][65]
2030;
6 years' time
2
 TBA Tuas Does not appear TBA

Notes and references

Notes

  1. ^ Tunnel between Aviation Park and Loyang
  2. ^ Tunnel between Tampines North and Defu
  3. ^ Tunnel between Bright Hill and Turf City

References

  1. ^ "LTA annual report 2021/22" (PDF). Land Transport Authority. p. 44. Retrieved 1 December 2022.
  2. ^ a b c "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. Archived from the original on 20 February 2013. Retrieved 19 January 2013.
  3. ^ a b "Cross Island Line". LTA. 2 September 2019. Archived from the original on 27 December 2019. Retrieved 7 December 2021.
  4. ^ "Six more MRT stations will be built in Phase 2 of Cross Island Line; to open by 2032". CNA. Retrieved 20 September 2022.
  5. ^ Land Transport Authority (8 March 2021). "LTA Awards Civil Contract for the Cross Island Line Phase 1". LTA News Room. Retrieved 31 August 2022.{{cite web}}: CS1 maint: url-status (link)
  6. ^ "A subway tunnel under Singapore's rainforest? No way, say activists". Reuters. 26 February 2016. Retrieved 31 August 2022.
  7. ^ a b "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.
  8. ^ "More new MRT lines to be built by 2030". The Straits Times. 17 January 2013. Archived from the original on 17 November 2017. Retrieved 4 November 2017.
  9. ^ "Studies for Cross Island Line to Start". The Straits Times. 4 November 2017. Archived from the original on 7 November 2017. Retrieved 4 November 2017.
  10. ^ a b "Soil tests for MRT line in nature reserve mostly complete". The Straits Times. 19 October 2017. Archived from the original on 23 October 2017. Retrieved 23 October 2017.
  11. ^ "Discussion and Position Paper" (PDF). Nature Society (Singapore). 18 July 2013. Archived (PDF) from the original on 12 November 2013. Retrieved 12 August 2013.
  12. ^ "Nature Society proposes alternative route for Cross Island Line". TODAYOnline. 19 July 2013. Archived from the original on 21 July 2013. Retrieved 12 August 2013.
  13. ^ Lim, Adrian (25 February 2014). "LTA to suss out new MRT line's green impact". AsiaOne. Archived from the original on 8 May 2014. Retrieved 8 May 2014.
  14. ^ "Environmental Resources Management to Assess Environmental Impact of Cross Island Line". Land Transport Authority. 4 July 2014. Archived from the original on 15 July 2014. Retrieved 13 July 2014.
  15. ^ Chai Chin, Neo (19 February 2016). "LTA releases environmental impact assessment report on Cross Island MRT line". Today. Archived from the original on 7 October 2021. Retrieved 7 October 2021.
  16. ^ "Cross Island Line Site Investigations Completed". Land Transport Authority. Archived from the original on 7 October 2021. Retrieved 7 October 2021.
  17. ^ "Cross Island Line: Findings of site investigation works to be released". The Straits Times. 20 March 2018. Archived from the original on 23 March 2018. Retrieved 22 March 2018.
  18. ^ "Environmental Impact Assessment (Phase 2) Report". Land Transport Authority. Archived from the original on 7 October 2021. Retrieved 7 October 2021.
  19. ^ Tan, Christopher; Tan, Audrey (4 December 2019). "Cross Island MRT Line to run directly under Central Catchment Nature Reserve". CNA. Archived from the original on 4 December 2019. Retrieved 4 December 2019.
  20. ^ a b "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. Archived from the original on 5 March 2020. Retrieved 5 March 2020.
  21. ^ a b c Tan, Christopher (25 January 2019). "First phase of Cross Island MRT line finalised; will have 12 stations". The Straits Times. Archived from the original on 25 January 2019. Retrieved 25 January 2019.
  22. ^ "First phase of Cross Island Line to open by 2029 with 12 stations – CNA". Channel NewsAsia. 5 March 2020. Archived from the original on 25 January 2019. Retrieved 5 March 2020.
  23. ^ "LTA | News Room | news-releases | Cross Island Line – Punggol Extension: Better Rail Connectivity for Punggol and Pasir Ris Residents". lta.gov.sg. Archived from the original on 10 March 2020. Retrieved 10 March 2020.
  24. ^ Yi, Wong Kai (10 March 2020). "Punggol and Pasir Ris residents to get four more train stations by 2031". The Straits Times. Archived from the original on 10 March 2020. Retrieved 8 December 2020.
  25. ^ "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). Archived from the original on 17 May 2021. Retrieved 17 May 2021.
  26. ^ "Construction Commences on the Cross Island Line". LTA. 18 January 2023. Retrieved 18 January 2023.
  27. ^ "Construction of Cross Island Line begins, with 12 stations in Phase 1". CNA. 18 January 2023. Retrieved 18 January 2023.
  28. ^ "Future System Map". LTA. Archived from the original on 1 December 2021. Retrieved 7 December 2021.
  29. ^ Kok, Yufeng (7 December 2021). "Next phases of Cross Island Line may have 11 stations". The Straits Times. Archived from the original on 7 December 2021. Retrieved 7 December 2021.
  30. ^ a b Chew, Hui Min (20 September 2022). "Six more MRT stations will be built in Phase 2 of Cross Island Line; to open by 2032". CNA. Retrieved 20 September 2022.
  31. ^ 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". The Straits Times. Retrieved 20 September 2022.
  32. ^ "Cross Island Line Phase 2". LTA. 20 September 2022. Retrieved 20 September 2022.
  33. ^ a b Kok, Yufeng (21 February 2022). "Final phase of Cross Island Line may be completed in end-2033". The Straits Times. Archived from the original on 20 February 2022. Retrieved 21 February 2022.
  34. ^ "跨岛线全长约56公里 裕廊与大士之间料设四站". 早报 (in Chinese). 21 February 2022. Archived from the original on 20 February 2022. Retrieved 21 February 2022.
  35. ^ "Innovative and Active Community; Diverse and Creative Jobs & Spaces". Urban Redevelopment Authority. Archived from the original on 6 June 2022. Retrieved 6 June 2022.
  36. ^ Musfirah, Hetty (17 January 2013). "S'pore to have two new MRT lines by 2030". Channel NewsAsia. Archived from the original on 18 January 2013.
  37. ^ "Changi's T5 likely to be served by 2 MRT lines". The Straits Times. 6 March 2017. Archived from the original on 22 October 2017. Retrieved 23 October 2017.
  38. ^ Sim, Royston (7 March 2014). "LTA to study use of express trains on Cross Island Line". The Straits Times. Archived from the original on 3 June 2021. Retrieved 7 December 2021.
  39. ^ "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. Archived from the original on 8 March 2021. Retrieved 7 December 2021.
  40. ^ "LTA Awards Two Civil Contracts for Cross Island Line Phase 1". LTA. 8 November 2021. Archived from the original on 8 November 2021. Retrieved 8 November 2021.
  41. ^ Yong, Clement (8 November 2021). "Construction of Aviation Park MRT station in Changi to begin next year". The Straits Times. Archived from the original on 8 November 2021. Retrieved 8 November 2021.
  42. ^ Cheng, Ian (8 November 2021). "Construction works for Aviation Park station set to begin in Q1 2022". CNA. Archived from the original on 8 November 2021. Retrieved 8 November 2021.
  43. ^ "News Room - News Releases - LTA Awards Civil Contract for the Cross Island Line Phase 1". LTA. 8 March 2021. Archived from the original on 8 March 2021. Retrieved 8 March 2021.
  44. ^ Yong, Clement (8 March 2021). "LTA awards $356 million contract for Cross Island Line tunnel works". The Straits Times. Archived from the original on 8 March 2021. Retrieved 8 March 2021.
  45. ^ "LTA Awards Civil Contract for Design and Construction of Loyang Station and Tunnels under Cross Island Line Phase 1". LTA. 13 September 2021. Archived from the original on 13 September 2021. Retrieved 13 September 2021.
  46. ^ Wei, Toh Ting (13 September 2021). "Multiple traffic diversions needed from end-2021 for construction of Loyang MRT station". The Straits Times. Archived from the original on 13 September 2021. Retrieved 13 September 2021.
  47. ^ "Construction of Loyang MRT station on Cross Island Line to start in Q4". CNA. 13 September 2021. Archived from the original on 13 September 2021. Retrieved 13 September 2021.
  48. ^ "LTA Awards Civil Contract for Design and Construction of Pasir Ris East Station under Cross Island Line Phase 1". LTA. 7 February 2022. Archived from the original on 7 February 2022. Retrieved 7 February 2022.
  49. ^ Firdaus Hamzah (7 February 2022). "Construction of Pasir Ris East MRT station on Cross Island Line to start in Q2". CNA. Archived from the original on 7 February 2022. Retrieved 7 February 2022.
  50. ^ "LTA awards $980 million contract for Cross Island Line Pasir Ris station". The Straits Times. 26 April 2021. Archived from the original on 26 April 2021. Retrieved 10 July 2021.
  51. ^ "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. Archived from the original on 22 February 2022. Retrieved 22 February 2022.
  52. ^ Yong, Clement (8 November 2021). "Construction of Aviation Park MRT station in Changi to begin next year". The Straits Times. Archived from the original on 8 November 2021. Retrieved 8 November 2021.
  53. ^ Cheng, Ian (8 November 2021). "Construction works for Aviation Park station set to begin in Q1 2022". CNA. Archived from the original on 8 November 2021. Retrieved 8 November 2021.
  54. ^ "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. Archived from the original on 10 July 2021. Retrieved 10 July 2021.
  55. ^ "Construction of Serangoon North, Tavistock MRT stations to begin in second quarter of 2022". CNA. 13 January 2022. Archived from the original on 15 January 2022. Retrieved 15 January 2022.
  56. ^ Toh, Ting Wei (13 January 2022). "LTA awards 2 contracts worth $861m for construction of Serangoon North, Tavistock MRT stations". The Straits Times. Archived from the original on 15 January 2022. Retrieved 15 January 2022.
  57. ^ "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. Archived from the original on 20 July 2021. Retrieved 20 July 2021.
  58. ^ "615.9 million contract awarded for North-South Corridor". STCars. Archived from the original on 10 July 2021. Retrieved 10 July 2021.
  59. ^ "Last Civil Contract for Cross Island Line Phase 1 Awarded". LTA. 30 March 2022. Archived from the original on 31 March 2022. Retrieved 30 March 2022.
  60. ^ "LTA | LTA Awards Civil Contracts for Cross Island Line-Punggol Extension and Bored Tunnel for Cross Island Line Phase 2". www.lta.gov.sg. Retrieved 26 December 2022.
  61. ^ "Cross Island Line – Punggol Extension: Better Rail Connectivity for Punggol and Pasir Ris Residents". www.lta.gov.sg. 10 March 2020. Archived from the original on 10 March 2020. Retrieved 10 March 2020.
  62. ^ a b "LTA Awards Civil Contract for Design and Construction of Riviera Station under Cross Island Line-Punggol Extension". LTA. 30 September 2022. Retrieved 1 October 2022.
  63. ^ "LTA Awards Contract for Changi East Depot". lta.gov.sg. Land Transport Authority. 28 May 2021. Archived from the original on 16 December 2021. Retrieved 28 May 2021.
  64. ^ Kurohi, Rei (28 May 2021). "LTA awards $1.05 billion contract for Cross Island Line's Changi East Depot". The Straits Times. Archived from the original on 16 December 2021. Retrieved 28 May 2021.
  65. ^ "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. Archived from the original on 28 December 2021. Retrieved 7 June 2022.
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