Date: 06/08/2018

The proposed Taiwan Strait Tunnel Project aims to take trains through a135km (84-mile) undersea section of the tunnel at up to 250km/h (155mph) by 2030.

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China plans world's longest rail tunnel to link mainland and Taiwan

Daily Mail

The proposed Taiwan Strait Tunnel Project aims to take trains through a135km (84-mile) undersea section of the tunnel at up to 250km/h (155mph) by 2030.