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HS2 completes first green tunnel using excavated material from nearby works



HS2 has completed civil works on its first green tunnel, the 880 m-long Copthall tunnel near West Ruislip on the western edge of London. The cut-and-cover structure was built using around 1.2 million...

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Bookham Tunnel near miss exposes critical weakness in rail work planning



A passenger train was involved in a near miss with three track workers inside Bookham Tunnel in Surrey, after the team entered a tunnel where no line blockage was actually in place. The incident occur...

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HS2 begins construction of final deep tunnel on London–Birmingham route



High Speed Two (HS2) has entered a decisive new phase as tunnelling officially began on the final deep-level section of the route into central London. The first of two tunnel boring machines has star...

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Longest HS2 tunnel structurally complete



HS2 Ltd has confirmed the completion of civil engineering works on its longest tunnel to date, marking a major milestone in delivery of the UK’s new high-speed railway. The close-out of works at the...

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Amtrak inspector general cites communication and document management risks on Hudson Tunnel Project



An audit by Amtrak’s Office of Inspector General released this month identified three areas for improvement in Amtrak’s role in theHudson River rail tunnel program, including a $104 million refund ow...

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World's longest expressway tunnel to link northern and southern Xinjiang



The Tianshan Shengli Tunnel, described as the world’s longest expressway tunnel, will be open to traffic by the end of this year, creating a new shortcut between the northern and southern parts of No...

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Jerusalem advances blue line works and plans 2-km city-center tunnel



Jerusalem has expanded construction activity on the 31-km Blue Line light rail corridor, issuing early December municipal notices that confirm continued utility and surface infrastructure work along...

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Rapid progress marked on 2.7 km HS2’s longest green tunnel



The next phase of HS2’s longest green tunnel advanced this week with the realignment of the B4525 near Greatworth, enabling excavation to continue along the 2.7-kilometre cut-and-cover structure. The...

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Shetland advances fixed-link plans as global tunnelling contractors begin feasibility work



Shetland’s plans for long-term inter-island connectivity have moved into a critical technical phase, with three internationally experienced tunnelling contractors appointed to evaluate the feasibilit...

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Edina reviews $20m pedestrian tunnel across France Avenue near Centennial Lakes



The City of Edina is evaluating a new pedestrian and bicycle crossing beneath France Avenue, a six-lane corridor that carries more than 27,000 vehicles per day. The proposed route would connect neigh...

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