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Singapore explores undersea tunnel link to Pulau Tekong

Singapore is studying the feasibility of constructing undersea tunnels to connect Pulau Tekong with the mainland, a project that would represent an unprecedented engineering undertaking for the island nation.

LSN Singapore · 23 August 2026

Singapore explores undersea tunnel link to Pulau Tekong

The potential infrastructure development was highlighted during the National Day Rally address, with Prime Minister Lawrence Wong noting that Singapore has not previously constructed underground road tunnels of such magnitude.

Pulau Tekong, located off Singapore's northeastern coast, currently serves as the home of the Singapore Armed Forces' primary training facility. The proposed undersea tunnel connection would enhance accessibility to the island and support future development plans.

The feasibility study reflects Singapore's ongoing efforts to optimize land use and improve connectivity across its territorial expanse. As a densely populated island nation with limited space, Singapore has increasingly turned to innovative infrastructure solutions to address transportation and development challenges.

The scale of the proposed project underscores the technical complexity involved, requiring advanced engineering expertise and substantial investment. Officials have not announced a timeline for the project or provided details on construction methodologies being considered.