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