Gul Circle MRT station
|Location||7A Tuas Road|
|Operated by||SMRT Trains (SMRT Corporation)|
|Platforms||4 (2 island platforms) (2 not in use)|
|Tracks||4 (2 not in use)|
|Depth||33 metres (108 ft) (height) |
|Opened||18 June 2017|
The station is the only above-ground station on the MRT network where the eastbound and westbound platforms are not located on the same level. This special layout is a provision for a possible two-station future extension to Tuas South, which would likely branch out from this station in a fashion similar to Tanah Merah MRT station as of 2024. Official details for this extension have not yet been announced.
The idea of the extension was first mooted on 25 January 2008 with the extension proposed to be completed by 2015. The stations were first announced on 11 January 2011 by Transport Minister Mr Raymond Lim in a speech while visiting Bedok when new platform screen doors opened there and originally fixed 2016 as the original year of the line completion.
The station is expected to benefit an estimated 100,000 commuters daily. It is the first elevated stacked island platform, as there is a possible future two-station extension to Tuas South leading out from this station or interchange with another line. The $190-million contract was awarded to Shanghai Tunnel Engineering, a major civil engineering company from China for this station.
This station ceiling is 33 metres (108 ft) above ground - about the height of a 10-storey HDB (Housing Development Board) block, the highest elevated station along the MRT network. There are two reasons for the height. First, the 7.5 km, $3.5 billion extension goes over the Ayer Rajah Expressway viaduct at the Pan-Island Expressway interchange. Second, a 4.8 km portion of the line is being integrated with a road viaduct, which runs below the rail line.
Train services between Gul Circle and Tuas Link were temporary closed between 16 and 19 November 2017 following a collision that happened at Joo Koon. On 20 November 2017, train services from Gul Circle to Tuas Link were resumed; however, train services between Joo Koon and Gul Circle will be suspended till mid-2018 to facilitate maintenance work on signalling devices. 
The station was built with two extra tracks opposite the operational EWL tracks, possibly for cross platform interchange with a future two-station extension of the line to Tuas South.
- "MRT Tuas West Extension to soar above the ground". The Straits Times. 3 February 2015.
- "Tuas West Extension Opens on 18 June 2017". Land Transport Authority. 27 April 2017.
- "Tuas West Extension MRT stations to open Jun 18". Channel NewsAsia. 27 April 2017.[permanent dead link]
- "SPEECH BY MR RAYMOND LIM, MINISTER FOR TRANSPORT AND SECOND MINISTER FOR FOREIGN AFFAIRS, AT THE VISIT TO KIM CHUAN DEPOT" (PDF). Land Transport Authority. 25 January 2008. Archived from the original (PDF) on 27 November 2016. Retrieved 26 April 2018.
- "SPEECH BY MR RAYMOND LIM, MINISTER FOR TRANSPORT AND SECOND MINISTER FOR FOREIGN AFFAIRS AT THE VISIT TO BEDOK MRT STATION" (PDF). Land Transport Authority. 11 January 2011. Archived from the original (PDF) on 27 November 2016. Retrieved 26 April 2018.
- Tan, Christopher (3 February 2015). "MRT Tuas West Extension to soar above the ground". The Straits Times.
- Lee, Jan (17 November 2017). "Tuas West Extension on East-West Line to be isolated". The New Paper.
- "Update on Train Services on Tuas West Extension - Press Room - Land Transport Authority". www.lta.gov.sg.
- "Tuas West Extension suspended until Sun; no service for Joo Koon-Gul Circle for 1 month". TODAYonline.
- hermesauto (16 November 2017). "Tuas West stations to reopen only on Monday". The Straits Times.
- "Joo Koon MRT collision: Faulty train was transiting between old and new signalling systems". TODAYonline.
- hermes (22 November 2017). "Joo Koon-Gul Circle link to remain closed till mid-2018". The Straits Times.
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