France, Paris - Metro Grand Paris Express - 17 North line - Lot.1

The construction of the new subway line includes a tunnel of about 6 km, two new underground stations (Le Bourget Airport and Triangle de Gonesse), six auxiliary works (mainly security access ventilation shafts and wells), the intermediate attack well TBM in Bonneuil-en-France and also a 750 metre access trench Gonesse. The civil works will start in may 2019.