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Construction underway at the South Portal Site June 2020

Launch point for the two Chiltern Tunnel TBMs. Next to the M25, the South Portal site is the largest construction site on Phase One and HQ for main works contractor, Align JV.
Construction underway at the South Portal Site June 2020: Launch point for the two Chiltern Tunnel TBMs. Next to the M25, the South Portal site is the largest construction site on Phase One and HQ for main works contractor, Align JV.