Leaving in December 2021 from the Maréchal Leclerc shaft in Massy, the Caroline tunnel boring machine arrived on the site of the future Antonypole station of the Grand Paris Express. The tunnel boring machine, baptized during KM9, is thus making the first breakthrough on line 18. Soon, Caroline will resume her journey to complete the remaining 5,2 km of tunnel to her arrival point, the Pistes d' Orly. Relive this impressive operation in pictures!
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