Start construction for Paris metro line 14

MSD delivered a start construction for a tunnel boring machine with a diameter of 8,920 mm for the metro line 14.

The Paris Métro carries more than than 1.5 billion passengers per year. In 1998 the opening of the line 14 started a new phase. It was the first fully automatic line.
Line 14 is being extended towards Mairie de Saint-Ouen with a projected opening in 2019. Construction has already begun.

Technical details

  • start contruction
  • adapter ring
  • Lateral support for launch tube
  • temporary support frame
  • Pressure ring - length 1500 mm
  • cover plate
  • 6x ring segments
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