Punggol LRT line

The Punggol LRT line is an automated guideway transit line in Singapore. The line, which initially opened on 29 January 2005, connects the residential districts and suburbs of Punggol to Punggol Town Centre, where it connects with the North East MRT line and the Punggol Bus Interchange. It is the third line of the LRT system in Singapore and like all other LRT lines, it is fully elevated and uses automated trains.

Overview
StatusOperational
OwnerLand Transport Authority
TerminiPunggol
Stations14 (excluding Teck Lee)
Service
TypeAutomated guideway transit/People mover
SystemLight Rail Transit (Singapore)
Services4
Operator(s)SBS Transit Ltd (ComfortDelGro Corporation)
Depot(s)Sengkang
Rolling stockMitsubishi Heavy Industries Crystal Mover C810
Mitsubishi Heavy Industries Crystal Mover C810A
Daily ridership23,698 (July 2020)[1]
History
Opened29 January 2005 (2005-01-29) (East Loop)
29 June 2014 (2014-06-29) (West Loop)
Technical
Line length10.3 km (6.4 mi)
CharacterElevated
Track gauge1850 mm Broad Gauge
Electrification750 V DC Third rail[2]
Route map

 West loop
Nibong
PW5
PW4
 Samudera
Sumang
PW6
PW3
 Punggol Point
Soo Teck
PW7
PW2
 Teck Lee
Punggol Way
PW1
 Sam Kee
North East line
to HarbourFront
 NEL 
NE17
Sengkang LRT
PTC
 Punggol
CP4
Punggol Road
Punggol Road
Cove
PE1
PE7
 Damai
Meridian
PE2
PE6
 Oasis
Coral Edge
PE3
PE5
 Kadaloor
CP3
PE4
 Riviera
 CRL 
Cross Island line
to Pasir Ris
East loop
Concourse level of Punggol MRT/LRT station, with escalators leading up to the LRT platform.

The first phase is a 10.3-kilometre (6.4 mi) line with 15 stations in two loops. It is the second LRT line to be operated by SBS Transit.

History

Plans for the Punggol LRT line were drawn up and announced in January 1999 with the development of Punggol New Town. Construction began in June 2000 by a consortium comprising Sembcorp Industries, Mitsubishi Heavy Industries and Mitsubishi Corporation, at a cost of S$354 million. Meanwhile, the Punggol LRT line was awarded to Singapore Bus Service (present-day SBS Transit) on 20 May 1999.[3][4] The first phase was completed in June 2004 and underwent testing by the Land Transport Authority. The system was handed over to SBS Transit on 1 December that year, which conducted more trial runs and staff training before the opening of the East Loop on 29 January 2005.[5][6][7] However, due to limited developments around some stations on the loop at the time, only the stretch of stations from Cove station to Kadaloor station were opened.[8] The West Loop opened in stages on 29 June 2014.

A covered middle platform at Punggol and a short track piece branching from Teck Lee had already been built in anticipation of a possible Punggol North LRT line, but these plans were subsequently scrapped, and a new Punggol Coast MRT station is being built instead.

Timeline
DateSection
29 January 2005East Loop (except Oasis and Damai stations) opened for uni-directional operation.[9]
15 June 2007Oasis opened.[10][11]
20 June 2011Damai opened. East Loop became fully operational in both directions throughout the day.[12]
29 June 2014West Loop (except for Sam Kee, Teck Lee, Punggol Point and Samudera) opened for uni-directional operation.[13]
29 February 2016Sam Kee opened.[14]
29 December 2016Punggol Point opened.[15][16]
31 March 2017Samudera opened.[17]
29 September 2018

West loop became fully operational in both directions throughout the day, except for Teck Lee, which is yet to be opened.[16]

Improvements

On 31 October 2012, the Land Transport Authority announced that by 2016 the Sengkang and Punggol LRT lines would be upgraded to two-car trains, doubling the passenger capacity. An additional 16 more cars were to be ordered, bringing the total fleet size to 57. The longer trains also required modifications to the signaling and communication system.[18]

On 29 December 2016, trains started operating in the two-car formations on the line's East loop during morning and evening peak hours from 6.45 am to 8.45 am and from 6.15 pm to 8.15 pm. Service frequency will be maintained at three to four minutes during morning and evening peak hours.[19]

On 15 December 2017, the Land Transport Authority said there will be limited services on parts of the Sengkang-Punggol LRT (SPLRT) on most Sundays from 14 January 2018 to 25 February that year, to facilitate renewal and improvement works from (except 18 February as it is a Chinese New Year holiday). Only one platform will open for service at 5.30am on Sundays. The other platform will open from 7am.[20][21][22]On 22nd of that month, SBS Transit said the arrangement is expected to continue until end April that year.[23][24]

From 27 May to 7 October that year, limited services on Sundays will continue on the Sengkang-Punggol LRT (SPLRT). One platform will open at 5.30am and the other platform will open at 5.30pm.[25][26]

On 5 February 2021, the Land Transport Authority announced that it has purchased 17 two-car trains for the Punggol and Sengkang LRT systems. The new trains will be delivered progressively from 2024 to 2027. In addition to new trains, the Sengkang Depot will also be expanded to 11.1 ha from the existing 3.5 ha to ensure that is capacity and maintenance space for the new trains. The expansion of the depot will also see two new reception tracks being built to shorten the train launching time. To ensure there is enough electricity to support the larger fleet of trains, 3 new power station will be built, increasing the total number of power stations supporting the system to 8 once completed.[27]

Stations
Punggol LRT Map and stations
Number Name Image Interchange/Notes
 PTC  NE17  CP4 PunggolInterchange with the North East line and Cross Island line (2031)
East Loop
 PE1 Cove
 PE2 Meridian
 PE3 Coral Edge
 PE4 – CP3 RivieraConnected to the Cross Island line (2031)
 PE5 Kadaloor
 PE6 Oasis
 PE7 Damai
West Loop
 PW1 Sam Kee
 PW2 Teck Lee(Not in operation)
 PW3 Punggol Point
 PW4 Samudera
 PW5 Nibong
 PW6 Sumang
 PW7 Soo Teck

Services

There are four services in total, with two services on each loop.

Service Terminal via Loop Remarks
A Punggol Soo Teck West Loop Soo Teck to Sam Kee
Clockwise direction
B Punggol Cove East Loop Cove to Damai
Anti-clockwise direction
C Punggol Damai East Loop Damai to Cove
Clockwise direction
D Punggol Sam Kee West Loop Sam Kee to Soo Teck
Anti-clockwise direction

Rolling stock
Mitsubishi Cystral Mover train pulling in Cove LRT station.

Trains operating on the line are Mitsubishi Heavy Industries Crystal Movers C810s and C810As. Trains operate from the Sengkang Depot which provides maintenance and train overhaul facilities for both the Punggol and Sengkang LRT lines.

Train formation

The original system consists of single-car C810s. Each unit is 11,200 millimetres (11.2 m) long and can carry up to 105 passengers. 16 original C810s were modified to allow two-car train operation and 16 C810As came with this configuration. This boosted capacity to 204 per trip.

Train control

The line is equipped with Kyosan APM fixed block signalling system for Automatic train control (ATC) under Automatic train operation (ATO) GoA 4 (UTO).[28] The subsystems consist of Automatic train protection (ATP) to govern train speed, Automatic Train Supervision (ATS) to track and schedule trains, and a computer-based interlocking (CBI) system that prevents incorrect signal and track points settings.

References
  1. "Land Transport DataMall". mytransport.sg. Archived from the original on 21 August 2020. Retrieved 20 August 2020.
  2. "Archived copy" (PDF). Archived (PDF) from the original on 1 July 2016. Retrieved 26 June 2016.CS1 maint: archived copy as title (link)
  3. "Appointment of operator for the North East MRT line". NAS. 20 May 1999. Archived from the original on 23 November 2019. Retrieved 22 November 2019.
  4. "SBS to run North-East line Tibs to merge with SMRT". The Straits Times (retrieved from NLB). 21 May 1999. Archived from the original on 6 October 2019. Retrieved 6 October 2019.
  5. "Speech By Mr Yeo Cheow Tong At The Official Opening Of Punggol LRT On 29 January 2005". www.mot.gov.sg. Archived from the original on 1 October 2020. Retrieved 25 April 2020.
  6. "Punggol LRT completed". Today. 2 December 2004.
  7. "Punggol LRT to open on 29 Jan". Today. 28 January 2005.
  8. "Selected stops for Punggol LRT". The New Paper. 11 January 2005.
  9. "Punggol LRT and Sengkang LRT West Loop to Commence Revenue Service on 29 January 2005". SBS Transit. 10 January 2005. Archived from the original on 30 August 2019. Retrieved 30 August 2019.
  10. "Oasis station on Punggol LRT Loop opens on Friday". Channel NewsAsia. 14 June 2007. Archived from the original on 16 June 2007. Retrieved 29 August 2019.
  11. "Opening Of Oasis LRT station". SBS Transit. 14 June 2007. Archived from the original on 14 October 2013. Retrieved 29 June 2014.
  12. "Opening of Damai station & Punggol LRT Operating in Both Directions from 20 June" (PDF). SBS Transit. 17 June 2011. Archived (PDF) from the original on 24 September 2015. Retrieved 29 June 2014.
  13. "Punggol West LRT System to Commence Passenger Service and North East line to Add More Train Trips". SBS Transit. 18 June 2014. Archived from the original on 22 June 2014. Retrieved 29 June 2014.
  14. "Sam Kee station on Punggol LRT System to open for Passenger Services". SBS Transit. 18 February 2016. Archived from the original on 1 March 2016. Retrieved 18 February 2016.
  15. "Commencement of Two-Car Operations on Punggol LRT East Loop & Opening of Punggol Point LRT station on 29 December 2016". SBS Transit. 29 December 2016. Archived from the original on 30 December 2016. Retrieved 29 December 2016.
  16. "LTA | News Room | News Releases | Joint News Release by the Land Transport Authority (LTA) & SBS Transit - Commencement of Two-Car Operations on Punggol LRT East Loop & Opening of Punggol Point LRT Station on 29 December 2016". www.lta.gov.sg. Archived from the original on 5 February 2020. Retrieved 5 February 2020.
  17. "Opening of Samudera Station on Punggol West LRT Loop". SBS Transit. 20 March 2017. Archived from the original on 9 September 2017. Retrieved 8 September 2019.
  18. "2-car System for Sengkang Punggol LRT by 2016; Improvements to Choa Chu Kang LRT station". Land Transport Authority. 31 October 2012. Archived from the original on 22 October 2013. Retrieved 12 October 2013.
  19. "Commencement of Two-Car Operations on Punggol LRT East Loop & Opening of Punggol Point LRT station on 29 December 2016". SBS Transit. 29 December 2016. Archived from the original on 30 December 2016. Retrieved 29 December 2016.
  20. "Limited service along Sengkang-Punggol LRT on Sundays in Jan, Feb to facilitate rail works". Archived from the original on 16 December 2017. Retrieved 17 December 2017.
  21. "Limited Sengkang-Punggol LRT services on Sunday mornings from 14 Jan". Archived from the original on 21 December 2017. Retrieved 17 December 2017.
  22. hermes (16 December 2017). "Limited service on Sundays for Sengkang-Punggol LRT". Archived from the original on 18 December 2017. Retrieved 17 December 2017.
  23. "Maintenance work to resume on Sengkang and Punggol LRT systems on 4 Mar". Archived from the original on 23 February 2018. Retrieved 23 February 2018.
  24. hermesauto (22 February 2018). "Maintenance works to resume on Sengkang and Punggol LRT systems". Archived from the original on 23 February 2018. Retrieved 23 February 2018.
  25. hermesauto (11 May 2018). "SBS Transit extends limited service on Sundays for Sengkang, Punggol LRT to October". Archived from the original on 14 May 2018. Retrieved 14 May 2018.
  26. "Limited service hours on Sundays for Sengkang-Punggol LRT to be extended". Archived from the original on 15 May 2018. Retrieved 14 May 2018.
  27. "Sengkang-Punggol LRT to get 17 new two-car trains to boost capacity". Channel News Asia. 5 February 2021. Retrieved 6 February 2021.
  28. "Products and Services | Kyosan Electric Mfg. Co., Ltd". www.kyosan.co.jp. Archived from the original on 16 July 2017. Retrieved 13 June 2017.
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