Riyadh metro Line 1 tunnelling begins

Tunnel boring has begun for the 38 km Line 1 of the future Riyadh metro network.

SAUDI ARABIA: Tunnel boring has begun for the 38 km Line 1 of the future Riyadh metro network. The first tunnel boring machine for Line 1 is named Mneefah, after a horse owned by the country’s founding king, and is expected to progress at an average of 100 m/week to ...

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