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Only 450m of Metro tunnelling left

CHENNAI: Chennai Metro Rail has to burrow only 450 metres more to complete the entire tunnelling under the first phase of the Chennai Metro.Thee much awaited breakthrough in the first tunnel boring machine (TBM) in the 3.7 km longest continuous tunnel drive stretch from Government Estate to AG-DMS under Phase I of Chennai Metro was achieved on Wednesday.

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The breakthrough of first tunnel boring machine in the stretch between Government Estate and AG-DMS under Phase -I of Chennai Metro was achieved on Wednesday
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