Work begins on line 18 Civil engineering work started at Antonypôle on
Line 18 in the summer of 2020 and gradually extended
towards Palaiseau, on the Saclay plateau, from the
autumn. The first tunnel boring machines will arrive
at the end of 2021.
First rails laid In 2020, work on the Grand Paris
Express entered a new phase with
the start of track laying. In the
summer, the first rails were laid
and welded at the Noisy Champs
turnback siding, on the southern
section of Line 15.
20 tunnel borers working on the Grand Paris Express in 2020
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I N P I C T U R E S
CSR APPROACH
RISKS AND CHALLENGES
IDENTITY
2020 ACTIVITY
Activity report