Denmark: Breakthrough for the Flood Tunnel under Frederiksberg or Vesterbro in Copenhagen
Boring of the Flood Tunnel Under Frederiksberg and Vesterbro is finished The giant drilling machine "Sigrid" of 110 tonnes has just drilled the second...USA: LA Metro Officially Completes Five Years of Tunneling, Adding Nine Miles on D Line
Subway Construction Milestone Latest Tunnel Boring Technology Minimized Ground Settlement, Above Ground Disruptions The Los Angeles County Metropolitan Transp...
cover tunnel photo by: Matt Brown from London, England / CC BY
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