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URA Draft Master Plan
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  4. An Underground of Possibilities

An Underground of Possibilities

Singapore will continue to explore underground opportunities to optimise our limited land and build resilient urban infrastructure.

Last updated 29 July 2025

What underground spaces does Singapore have?

Linear infrastructure

Basement spaces

Caverns

Illustration showing cross section of underground uses

Underground Ilustration

Illustrated diagram on how underground spaces are being planned

Building resilience for the long haul

Seizing opportunities

Illustrated cross section of innovative underground uses

Developing capabilities

Mapping what lies beneath

3D map showing geological data of East Coast area

Mapping our underground geology. (Source: BCA)

3D render of underground as-built structures and piles at Marina Bay

3D map of as-built structures and piles.

Photo of a vehicle pulling an underground mapping machine

Source: HSC Pipeline Engineering Pte Ltd

Pushing technological boundaries

Photo of energy storage modules

Source: Sembcorp

Ai generated image of remote operations and monitoring of structural health underground

Image was created with the assistance of AI for illustration purposes only.