SECTOR | TRANSPORT/RAIL & METRO TUNNELS


A


Right, figure 4a: Northeast Asia – Tunnel Construction Project Pipeline, Value by Stage(US$ m)


Right, figure 4b: Northeast Asia – Tunnel Construction Project Pipeline, Value by Country and Sector (US$ m) – focus on China and Japan


0 50,000 Pre-Planning Planning Pre-Execution Execution


100,000


150,000 B


Electricity Transmission Tunnel Roads Tunnel Water and Sewage


China Japan


0 50,000 100,000 150,000 200,000 250,000 Mining Tunnel Oil & Gas Tunnel Railway Tunnel


200,000


250,000


300,000


350,000


Approaching two-thirds of the total for China is in


execution phase, and when procurement/pre-execution is added the share is slightly more than three-quarters. There is a significant amount, then, in planning. The relative balance of overall tunnel-related


infrastructure activity – execution over planning – is also the case for Japan. The national total is approximately US$113 billion, according to GlobalData’s report, split as 2:1 on execution to planning – a much tighter balance than China’s weighting to execution, resulting in a 3:1 split. The report says that, to support its economic


recovery, the Chinese Government “has continued to invest substantially in public infrastructure this year.” It adds that investment in rail/metro increase by about a quarter. “Fiscal stimulus is expected to remain strong in the coming quarters” and that new demand for tunnel construction would “remain robust”. Also accounted for in the region are South Korea


and Hong Kong with pipeline totals (planning sages to execution) of US$4 billion and almost US$2 billion, respectively. Both of the levels are less than all the listed nations for Western Europe and they do not include rail/ metro but focus mostly on road-related tunnels.


NORTH AMERICA Rail/metro is the leading pipeline of activities for tunnel- related infrastructure investment projects in North America, at almost US$42 billion and principally in the US by a large margin. It is much larger than road-related tunnels combined in the two countries. Overall, the tunnel-related infrastructure activity in


the US – from planning stages to execution – totals almost US$79 billion, according to GlobalData’s latest quarterly report. The water and sewerage sub-sector is almost as big as rail/metro activities, which has about US$37 billion. In total, the region has about US$30 billion in the execution phase.


12 | January 2024


In the US, the principal rail/metro projects involving


tunnels are both in pre-execution/procurement phases – the Hudson River Rail Tunnel and BART Silicon Valley Rail Extension, respectively. Both are also leaders in rail/ metro in the region. Canada’s total activity stands at slightly more


than US$17 billion, evenly spread through planning, procurement and execution. Around US$4 billion is in rail/metro in Canada, on


subways.


MIDDLE EAST AND NORTH AFRICA Tunnel-related infrastructure activities in the Middle East and North Africa are dominated, once again, by rail/ metro and by large measure. The leading nations are Israel and Iran – the former


having activities almost entirely in the sub-sector and more than double the activity scope (planning to execution) of the latter. Israel’s rail/metro work is in planning stage though,


at about US$45 billion, while Iran’s is in pre-execution/ procurement stage at more than US$17 billion, or more than three-quarters its total.


SOUTHEAST ASIA By type, tunnelling works for rail/metro projects holds the biggest share of underground infrastructure activity in Southeast Asia with a total of approximately US$61 billion, almost seven times as much as road-related. The clear leader in tunnel infrastructure for the


region, and in rail/metro activity, is Singapore. Its corresponding figures on tunnel-related projects of rail/ metro versus road are just over US$45 billion and about US$33 billion, respectively. Singapore – and the region’s – biggest tunnel-related


rail/metro project is the Cross Island MRT project and is under construction. It dominates the rail/metro activity in Singapore but the North-South Corridor project is also being built along with Stage 4 of the Circle Line.


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