Cross Island Line

The Cross Island Line will be the eighth line to be introduced into the MRT system. The line is designed to be a high capacity line.

It will be a fully automated and driverless underground rapid transit line. The line spans about 50km with around 30 stations across the island and will be completed by 2030.

The line will enhance east-west travel from Changi to Jurong Industrial Estate, passing through Loyang, Pasir Ris, Hougang, Ang Mo Kio, Sin Ming, Bukit Timah, Clementi and West Coast. The eastern leg of the line also includes a section that extends into Punggol.

LINE STATUS (9 JULY 2016): The line is currently under planning, with an engineering feasibility study being called for. An Environmental Impact Assessment (EIA) is also being conducted for the alignment around the Central Catchment Nature Reserve (CCNR) and is expected to be completed by the end of 2016. Site investigation works will commence in 4Q 2016, together with Phase 2 of the EIA to study and assess the potential environmental impact on the CCNR arising from the construction and operation of the CRL for both possible alignments.

At a Glance

Cross Island Line

Estimated completion by 2030

~50km

High capacity line

Fully-automatic train operation

Preliminary information

Information provided on this page is preliminary information, based on existing information released by the authorities and contractors.

The final design and specifications of the line may vary.

Line map

CRL line map

History

Land Transport Master Plan 2013

In the Land Transport Master Plan 2013 announced on 17 January 2013, the Cross Island Line will be a 50km line that traverse the island and is expected to be completed by 2030. The line will enhance east-west travel by relieving crowds on the existing East West Line and Downtown Line.

The line passes through Changi, Loyang, Pasir Ris, Hougang, Ang Mo Kio, Sin Ming, Bukit Timah, Clementi, West Coast and the Jurong Industrial Estate. The eastern leg of the Cross Island Line includes a section that extends into Punggol.

Engineering Studies

Express trains

The Land Transport Authority will study running both normal and express trains on the Cross Island Line. The study will also determine the stations the express trains should serve.

8-car trains

The engineering study will also consider whether the high-capacity MRT line should use an 8-car system.

Alignment around the Central Catchment Nature Reserve

The Land Transport Authority's (LTA) initial announcement of the Cross Island Line included a rough alignment that runs through the Central Catchment Nature Reserve (CCNR), to which several nature groups and citizens raised concerns. The LTA responded that the detailed alignment has not been decided, and that an Environmental Impact Assessment (EIA) will be conducted.

Environmental Impact Assessment

There are two phases in the EIA.

Phase 1 of the EIA commenced on August 2014 and has been completed in December 2015. This phase studies the existing ecosystem and conditions, assesses the impact of proposed site investigation works, and proposes mitigating measures for the alignment options. The final Phase 1 report can be viewed on the LTA website.

Phase 2 of the EIA is expected to be completed by the end of 2016, taking into account results from the site investigation works which will commence in 4Q 2016. This phase will study and assess the potential environmental impact on the CCNR arising from the construction and operation of the Cross Island Line for both possible alignments.

The final alignment of the Cross Island Line will be decided after the completion of site investigation works, the full EIA, and after taking into account the various concerns and considerations.

Alignments

Two possible underground alignments for the Cross Island Line in the vicinity of the CCNR is being considered:

Direct alignment (Coloured blue in diagram)

  • 2km-long tunnel below the CCNR
  • Approximately 40m deep
  • No construction or physical structure on the surface level

Skirting alignment (Coloured red in diagram)

  • 9km-long alignment under homes and businesses
  • Supporting ventilation structures on the surface level

Timeline

Date Project Description
17 January 2013 Land Transport Master Plan 2013 Announcement of the Cross Island Line
August 2014 Environmental Impact Assessment Commencement of Environmental Impact Assessment
December 2015 Environmental Impact Assessment Completion of Environmental Impact Assessment (Phase 1)
4Q 2016 Site Investigation Works Commencement of Site Investigation Works
End 2016 Environmental Impact Assessment Completion of Environmental Impact Assessment (Phase 2)
By 2030 Cross Island Line Completion of the Cross Island Line (Details to be confirmed)

Facts + Figures

Type
High capacity Mass Rapid Transit (MRT)
Stations / Length
~30 stations / ~50km (2030)
Cross Island Line (future) - ~30 stations / ~50km
Operation Type
Fully-automated operation
Signalling System
Moving-block CBTC

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