TRANSPORT, WATER - ASIA | SECTORS
Left: NATM tunnel breakthrough on the Ghansoli-Shilphata section of Mumbai- Ahmedabad high-speed rail project, India PHOTO CREDIT: NHSCRL
Below: Celebrating completion of tunnelling on the 16.4km-long Genting Tunnel, on the East Coast Rail Link (ECRL) project, in Malaysia
Only in Nepal is the balance the other way - with
Execution stage value more than Planning. Like elsewhere, development of Transport projects
is the main activity for India, where the balance is slightly more towards Rail & Metro Tunnels over Road Tunnels.
PROJECTS PIPELINE: SOUTH-EAST ASIA The region of South-East Asia includes, in descending order of value of tunnel-related project pipelines, Singapore, Indonesia, Malaysia, Thailand, The Philippines, and Vietnam. For the quarter, GlobalData gave the total pipeline
value for the region at almost US$100 billion, with about 45% with Singapore and 31% in Indonesia. The other nations held single digit percentages of pipeline value. However, there is a marked difference in where
the value sits in pipelines of the two leading nations: in the analysis, Singapore is given to be entirely in Execution stage, although it does have more projects in development; Indonesia has activities in all stages of its development pipeline but by far the largest is Planning. There is much design work underway and construction coming up in Indonesia. As elsewhere, Transport projects hold the biggest
share of the pipeline by value and once again the principal area is Rail & Metro Tunnels, although in Singapore and Indonesia, respectively, there is relatively substantial spend on Road Tunnels.
RECENT PROJECTS IN ASIA: MILESTONES As noted, many tunnel projects are underway in countries across Asia, and we spotlight a few recent milestone events on some, below.
India Breakthrough was achieved in Q3 to complete the NATM stretch of tunnelling on India’s 21km-long Mumbai-Ahmedabad High-Speed Rail project. The NATM tunnel is 5km-long on the rail project,
and is located in the project section between Ghansoli and Shilphata. The works involved excavation through complex geology along this section of the rail tunnel.
January 2026 | 37 In preparation for the NATM tunnelling, a 394m-long
inclined adit was excavated and completed in in Q2-2024. Following breakthrough, construction activities on the NATM section have moved on to waterproofing, lining and finishing works. The remaining 16km of the rail tunnel will be
excavated by TBM. The tunnel includes a 7km stretch under Thane Creek, said to be India’s first undersea tunnel. The Mumbai-Ahmedabad High-Speed Rail project will connect Mumbai’s Bandra-Kurla Complex and Shilphata in Maharashtra. It is being developed by the National High Speed Rail Corporation Ltd (NHSRCL).
Malaysia Completion of tunnelling was recently celebrated at the 16.4km-long Genting Tunnel on the East Coast Rail Link (ECRL) project, in Malaysia, and also the finish of all underground excavations along the 665km-long route. The Genting Tunnel is the longest tunnel on the
new rail link between Kota Bharu, Kelantan and Port Klang, Selangor, and most technically challenging of the 41 tunnels on ECRL. It is also the longest rail tunnel in Malaysia. Located in the Titiwangsa mountains, Genting Tunnel passes through fault lines and pockets of chlorite rock.
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