Jurong Region Line Construction: JRL - A snapshot in April 2025

Overview of JRL stations JS1 - JS8 as of April 2025.
Top (L - R): JS1 - Choa Chu Kang, JS2 - Choa Chu Kang West, JS2A - Forest Hill
Middle (L - R): JS3 - Tengah, JS4 - Hong Kah, JS5 - Corporation
Bottom (L - R): JS6 - Jurong West, JS7 - Bahar Junction, JS8 - Boon Lay

Overview of JRL stations JW1 - JW2 & JE1 - JE7 as of April 2025.
Top (L - R): JW1 - Gek Poh, JW2 - Tawas, JE1 - Tengah Plantation
Middle (L - R): JE2 - Tengah Park, JE3 - Bukit Batok West, JE4 - Toh Guan
Bottom (L - R): JE5 - Jurong East, JE6 - Jurong Town Hall, JE7 - Pandan Reservoir

Overview of JRL stations JW3 - JW5 & JS9 - JS12 as of April 2025.
Top (L - R): JS9 – Enterprise, JS10 – Tukang, JS11 – Jurong HillJW3 - Nanyang Gateway
Middle (L - R): JS12 – Jurong Pier, JW3 – Nanyang Crescent, JW4 – Nanyang Gateway
Bottom (L - R): JW5 – Peng Kang Hill, Contract J101 Tengah depot, Contract J120 Jurong East ITH

April has come upon us so quickly that we've had to rush to get this one out. There's been lots of progress made on the line with several milestones hit - including trackworks commencing on a new section of the line. With roof works underway across the entire phase 1 and viaducts coming together progressively over phase 2, we'll go through the accomplishments of each phase in greater detail after the jump.

Phase 1
Roof works have commenced across all stations under this phase. In addition, viaduct construction works - at least segment launching - were completed for contracts J102, J106 & J107. Remaining contracts J103 and J105 still have some way to go before the viaduct segment launching aspect of viaduct span construction is completed, with contract J103 holding the lion's share of that. Escalator installation works were also underway at various stations from Choa Chu Kang all the way to Bahar Junction, leaving Boon Lay, Gek Poh and Tawas without such works yet, apart from the difficult to see Tengah.

Tengah depot (Contract J101)
In a nutshell: At this point in the project, it becomes a little hard to pinpoint the progress made due to the various structures taking shape and works transitioning towards interior fit outs. Completed structures include the administration building, the rolling stock workshop and the stabling yards. Work was underway on the roof of the rolling stock workshop to facilitate bus parking, the multi-story bus park, permanent way & locomotive workshop and a bridge for a future mobility deck near the southern portion of the depot. Facade works should also commence some time soon, concurrently with interior fit out works.

18 April 2025

JS1 - Choa Chu Kang (Contract J102)
In a nutshell: About 2/3 of the shared platform between the JRL and the existing North-South Line (NSL)'s Marina South Pier-bound track has received its roof frame trusses. Work was still ongoing for the fit out of the station otherwise, with modification works also continuing. At platform level, a space for the construction of the new lift had been cordoned off within the existing station. Shops within the existing NSL station were also handed over to tenants and at various stages of completion to opening.

18 April 2025

JS2 - Choa Chu Kang West (Contract J102)
In a nutshell: Last month saw the beginning of the installation of the roof frame support columns. This month saw the roof frame trusses being installed over approximately half of the station at its western end. Also in progress along this section was parapet wall installation and track laying for the portion of viaduct between Brickland Road and Choa Chu Kang Avenue 1.

18 April 2025

JS2A - Forest Hill (Contract J102, provisional future station)
In a nutshell: With structural works completed, the section was transferred over to the trackworks contractor. Rail laying works have begun in the vicinity, barring through the actual infill station section.

27 April 2025

JS3 - Tengah (Contract J102)
In a nutshell: With all the roof support columns in place, installation of the roof frame trusses was nearly complete. Rail laying works south of the station appeared to have been done although works to cast the final alignment of the rails may not have commenced yet.

18 April 2025

JS4 - Hong Kah (Contract J103)
In a nutshell: Cladding works along the station's roof edge had commenced and escalator installation works continued. Construction of the linkbridge exit's roof was well underway. South of the station, the viaducts were a spaghetti bowl of falsework and netting.

18 April 2025

Viaduct works between Tengah Depot, Hong Kah and Corporation stations (Contract J103)
In a nutshell: Work had progressed some way, although a long road lies ahead till completion can be achieved. Just south of Hong Kah station, a tangled mess was the hive of activity as workers rushed to complete the reception track junction with the main line. Several sections were being constructed by the cast in-situ method, where the viaduct beams are assembled and thereafter cast in place instead of using precast segment assembly.

As the viaducts moved towards Corporation station, several gaps still remained in the viaduct spans, although noticeably fewer than before.

18 April 2025

JS5 - Corporation (Contract J103)
In a nutshell: Casting work was ongoing for the exit podium at the station's northern side. With the side walls for the escalators completed, casting was underway for the lift shaft core at concourse level of the exit.

18 April 2025

JS6 - Jurong West (Contract J105)
In a nutshell: Escalator installation work had begun at the station with at least 2 of the anticipated 4 escalators commencing assembly between the station's concourse and platform levels. Exit podium works were also at various stages of construction, while a small section of viaduct box girders remained to be launched.

18 April 2025

JS7 - Bahar Junction (Contract J105)
In a nutshell: The majority of the main station building was completed, with construction of the two exit podiums connecting to this section also underway. Works were in progress to begin connection to the double storey linkbridge connecting the building with the satellite station building. Over at the satellite section of the station, works had begun on casting the columns and beams supporting the platform level. The corbels for interfacing the viaduct with the station building on the northern & southern ends were cast, with viaduct launching works likely to follow over the next few months.

18 April 2025

JS8 - Boon Lay (Contract J106)
In a nutshell: With the viaduct construction element of the contract complete, the casting yard at Tengah Depot has since been reinstated. Works to tidy up the contract site have commenced, with the reconstruction of the road median at the northern end of the site.

At the station site, work continues to advance the construction of the paid transfer linkway. Exit D of the existing East-West Line station has seen further closures, presumably to begin the task of relocating the faregates further out to provide extra circulation space within the paid concourse area.

Over at the casting yard for the contract, next to Tengah Depot, the site had since been reinstated with turfing planted over the former staging area where components such as viaduct box girder segments, parapet walls and cable troughs were cast.

27 April 2025

18 April 2025

JW1 - Gek Poh (Contract J107)
In a nutshell: Roof frame installation works were underway, with the delivery of the V-columns to the site. Viaduct construction was also completed, with all the box girders along Jurong West Street 75 finally launched. In view of this, parapet wall installation works were underway.

Over at the casting yard site, next to Tengah Depot, works to decommission the site ahead of reinstatement was underway.

27 April 2025

18 April 2025

JW2 - Tawas (Contract J107)
In a nutshell: Roofing works continued at the station, as parapet walls were installed along the completed section of viaduct crossing the Pan Island Expressway (PIE). Within the station, staircases were being cast, linking the concourse level with the platform level above. Judging from the length of the staircases, approximately 4 flights tall, the concourse level may feature a high, double height ceiling above.

27 April 2025

Phase 2
The second phase of the line is a mixed bag of progress, with contract J108 being ahead of the pack. This contract has all stations working on the roof frame installation, with some also beginning escalator installation works. A handful of viaduct spans remain to be completed near Bukit Batok West station. Contract J109 by contrast, still has a fair way to go with its station structures - each station featuring differing levels of completion. Viaduct segment launching works were underway, with significant stretches to go, leaving the contract far from completion in this regard. Bringing up the rear were contract J110 and J120 in the Jurong East vicinity, with progress made but nowhere near the degree seen under contract J108.

JE1 - Tengah Plantation (Contract J108)
In a nutshell: As parts of the station's roof frame truss was installed, work began on escalator installation as well. The station will feature 3 escalators between the concourse and platform levels, with 1 installed thus far under blue tarpaulin covers. Site clearing had been completed for the construction of the station's exits as well. Approximately 4.5 spans remain to be constructed for the viaduct to connect to phase 1's completed viaduct under contract J102.

18 April 2025

JE2 - Tengah Park (Contract J108)
In a nutshell: With most of the station's structure completed, works continued to plod along on the station's interior and roof structure. The exit podium outside Dulwich College along Bukit Batok Road was also progressing. Just south of the station, a trackworks staging area was being prepared ahead of works for rail laying which would likely commence within the year.

18 April 2025

27 April 2025

JE3 - Bukit Batok West (Contract J108)
In a nutshell: Most of the station has had its structure completed, save for the eastern-most segment which will connect to the piers supporting the movement & expansion joint connecting the station building with the viaduct span structure. 4 of the 6 diamond columns for the roof frame were installed, with trusses being added on at the station's western end. Launch gantry Rock Steady lived up to its name, making steady progress. We believe that the final span for each trackway will be constructed using the trestle method, thus the gantry should be done with its job once the current span has been lowered into its final position. With this, approximately 1.5 spans remain for each trackway to be completed - 1 each near the station's eastern end and a half span each near Bukit Batok Road.

27 April 2025

JE4 - Toh Guan (Contract J109)
In a nutshell: Major works were underway for the construction of the viaduct along Jurong East Central. At several points, casting works were in progress for several portal piers that would stretch across the northbound carriageway. At other viaduct piers, segment launching works were about to begin with hanger beams delivered to site, awaiting installation atop the pier crosshead. On the station front, works were underway for the casting of concourse level beams.

18 April 2025

Tracks through Jurong East Integrated Transport Hub (Contract J120)
In a nutshell: The viaduct spans through the integrated transport hub have been completed for some time but parapet wall installation works appeared to have stagnated previously. Through the past month, these appeared to have recommenced again. In addition, part of the staging area for works was reinstated with turfing planted and the hoarding removed near the junction of Jurong East Central and Jurong Gateway Road.

18 April 2025

JE5 - Jurong East (Contract J110)
In a nutshell: The station building continues to climb with columns reaching above the upper platform level now. These are visible from JEM, over the height of the existing station building and will likely be where the roof of the new JRL station will be. Modification works to the existing station can also be seen, with additional emergency escape stairs taking shape for Platforms A & B at the station's eastern end.

Works to construct a replacement plant room to house electrical equipment on platforms C & D has recently completed. Equipment will progressively be moved here to allow for the demolition of the old cabinets and new sets of escalators installed in its place, providing additional vertical circulation within the station. At the westbound Platform F, slabs for the new platform under the JRL additional structure could be seen, with hoarding separating the work site from the active trackway. The structure here was constructed from a metal frame system, overlaid with concrete slabs, known as a bondek system.

18 April 2025

27 April 2025

JE6 - Jurong Town Hall (Contract J109)
In a nutshell: The launch gantry along Jurong Town Hall Road had completed segment launching as far west along the road as possible and subsequently returned towards the station. Re-launching from the station, the first span was under construction just south of the station building. The station building itself had attained structural completion as far as the platform level. Presumably, roof frame installation works would follow, now that the launch gantry had successfully passed through the station building.

27 April 2025

JE7 - Pandan Reservoir (Contract J107)
In a nutshell: Part of the phase 2 terminus station had reached the platform level and was covered in scaffolding to support casting work for the platform level beams and trackbed. The remaining half towards the south was left at the concourse level, with further works to progress once casting for the northern section was complete.

At the over run track, the contract's second launch gantry had since completed approximately 8 viaduct spans along West Coast Road. The crossheads for subsequent viaduct piers were in various stages of completion.

27 April 2025

Phase 3 (South)
The southern section of phase 3, through the industrial sectors of Jurong, was showing slow but steady progress. Several viaduct piers had since popped up around Tukang and Jurong Hill station sites, which were noticeably emptier before. Diaphragm wall construction works were also in progress at Jurong Pier station, the only JRL station to feature an underground component as one of the station's exits will be connected via an underpass.

JS9 - Enterprise (Contract J111)
In a nutshell: Casting works were in progress for the station's platform level beams and trackbed. Of all the phase 3 southern section stations, this was the most advanced in construction. Viaduct segment launching was also well underway on either side of the station, with the portal pier over Jalan Boon Lay recently completed.

27 April 2025

JS10 - Tukang (Contract J111)
In a nutshell: Tukang station has taken shape with most, if not all, of the station's concourse level pier crossheads constructed. Work to begin construction of the concourse slab commenced from the station's centre and was progressively expanding outwards. Viaduct piers were now also present on either side of the station, with scaffolding supporting the casting of crossheads.

27 April 2025

JS11 - Jurong Hill (Contract J112)
In a nutshell: The previous 3 station piers have now become approximately 5, with a further 2 piers under construction. Precast crosshead segment launching was taking place for the second pier of the earlier three to be formed, near the southern end of the station. At the station's northern end, an additional viaduct pier had since been cast, with works set to begin on casting the crosshead shortly as well. Over across the Ayer Rajah Expressway (AYE), one viaduct span was since completed. Works were ongoing using lifting frames to complete a second span, approximately 2 segments in each direction away from completion.

27 April 2025

JS12 - Jurong Pier (Contract J112)
In a nutshell: The hydrofraise machine on site was finally in use, digging a diaphragm wall that would support excavation of an underpass connecting to one of the station's exits. It is presumed that such a connection would in future also connect with the Cross Island Line's station box, allowing direct transfers between both lines. Apart from the three columns cast under the Jurong Pier-bound track, rebar for other columns in the station had begun appearing as well.

27 April 2025

Phase 3 (North)
The northern section of phase 3 has progressed swiftly with numerous viaduct piers under contract J115A taking shape along Nanyang Drive. Contract J113 is no straggler either, with the station buildings for both stations progressing well. Several viaduct piers remain to be constructed in the vicinity of the Nanyang Gateway station, but these should come up in a matter of time based on how other sections of the contract have progressed thus far.

JW3 - Nanyang Gateway (Contract J113)
In a nutshell: With Nanyang Avenue since reinstated under the station, the former diverted roadway had been cleared, creating a workspace from which the missing Choa Chu Kang-bound viaduct piers could be built. Works at the station itself had reached the platform level, with works likely continuing as the remaining viaduct piers were constructed.

27 April 2025

JW4 - Nanyang Crescent (Contract J113)
In a nutshell: The 3-storey station building had taken shape with the structure dominating the frontage of the National Institute of Education, obscuring the view of the campus from Nanyang Drive. Several sections of the upper concourse were begin cast while the platforms and lower concourse also expanded towards Nanyang Walk.

27 April 2025

JW5 - Peng Kang Hill (Contract J115A)
In a nutshell: The terminus of the western route also began to make its presence felt, with columns for the station building stretching upwards. These would support the platform level, sandwiched between two concourse levels on either side of the station. Further south, works for one of the viaduct pier crossheads was underway, with scaffolding erected to aid with concrete pouring. At the other end of the station, viaduct segment launching works were well underway, with three spans completed to date and launching from a fourth pier about to begin. Construction of the crossover deck was also well underway just north of the station building.

27 April 2025

Track works (Contract J150)
Trackworks had now commenced at two sites - south of Tengah station towards Hong Kah and Tengah Junction & from Forest Hill towards Choa Chu Kang West. Rails had been laid at both sites since, although casting of the final alignment of the tracks had not been completed.

South of Tengah station (to Hong Kah station & Tengah Junction interface with contract J108)
In a nutshell: Rails along both bounds was now installed. However, casting of the final alignment had yet to be completed, with the sleepers visibly resting on the bed of rebar.

18 April 2025

East of Forest Hill (JS2A) infill station (to Choa Chu Kang West station)
In a nutshell: Rail laying works were advancing from the JS2A temporary staging area towards Choa Chu Kang West station along Choa Chu Kang Avenue 3. Towards the end of the month, rails along both bounds had been laid, although similarly to the works at Tengah, casting of the final alignment had yet to be completed.