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2 clusters · 4 sources · 17 days · First seen · Last updated

Categories: TECHNOLOGY

Metro tunnel boring milestones

Entities: Roads and Transport Authority (RTA) · Dubai Metro Blue Line · Al Wugeisha tunnel boring machine · Limak · Mapa

Overview

On 10 July 2026, the Kolkata Metro Purple Line tunnel boring machine reached Victoria Station, marking a significant breakthrough in the line’s underground construction.

Two weeks later, on 27 July 2026, Dubai’s Roads and Transport Authority announced that the Metro Blue Line had completed its first major tunnelling phase, finishing a 163‑metre section in just two months using the Al Wugeisha TBM. Both events highlight rapid advances in tunnel‑boring technology and progress on major urban rail projects in different regions.

Timeline

  1. 5 days ago

    [TECHNOLOGY] 4 sources
    Dubai Metro Blue Line achieves first tunneling milestone

    Dubai’s Metro Blue Line completed its first tunnelling phase, using the Al Wugeisha TBM to excavate 30 m per day. The 131‑km line aims to serve 350 k daily riders and is backed by a $20.5 bn consortium.

  2. 22 days ago

    [TECHNOLOGY] 2 sources
    Kolkata Metro Purple Line Tunnel Boring Machine Breakthrough Reaches Victoria Station

    TBM Durga achieved a breakthrough at Kolkata’s Victoria Metro station on 10 July 2026, completing a year‑long tunnel drive for the Purple Line and enabling further underground work toward Park Street.

Sources

archyworldys.com · gulfnews.com · khaleejtimes.com · KhaleejTimes.com