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The Wonders of Tunnel Engineering

Find out how MRT tunnels are built underground without disrupting life above. Watch the video to see the engineering innovations expanding Singapore's rail network.

Last updated 18 June 2026

The Wonders of Tunnel Engineering

Thumbnail for A video thumbnail titled "How MRT Tunnels Are Built" shows a man in a safety vest cupping his hands to his mouth as if calling out, with images of tunnel construction, workers, and an MRT train in the background under the "Building Singapore" series branding.

How are MRT tunnels built underground without causing disruption above? Catch the video to learn how engineering innovations, including a 100m-long "factory" deployed into the ground, are used to expand Singapore's rail network in a safer, more efficient way.

Read more about it here.