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Grand Paris Express, Europe’s largest urban project

The aim of Grand Paris Express project is to transform the Parisian conurbation into a major world metropolis of the 21st century, thus enhancing the life of its inhabitants, equality and cohesion between regions. The key challenge of this outstanding project is to build a city capable of taking up the economic, social, environmental and cultural challenges.


of automatic lines




technical centres


new lines: 15, 16, 17 and 18

The 6 subsidiaries of the Fayat group, RAZEL-BEC, SEFI-INTRAFOR, FRANKI FONDATION, URBAINE DE TRAVAUX, CASTEL & FROMAGET and PTC, have teamed up to provide their expertise throughout the various phases of this highly complex undertaking.

For the Fayat group, Grand Paris represents:

  • 9 projects, 11 stations and 820 staff mobilised
  • Line 14 North: RAZEL-BEC in association with Eiffage
  • Line 14 South: RAZEL-BEC in association with Eiffage and SEFI-INTRAFOR
  • EOLE extension of RER E: 6.1km of tunnel and the Porte Maillot station
  • Line 15 South, package T2B: RAZEL-BEC in association with Eiffage: diaphragm walls of the Saint Maur-Créteil station, executed by SEFI-INTRAFOR (32 panels, 1.80m thick and 70m deep)
  • Civil engineering works on the Saint-Maur - Créteil, Champigny Centre and Bry – Villers - Champigny lines
  • 7.2 km of bored tunnel
  • Tunnel access work on lines 15 South and 15 East, which will link both lines to Champigny
  • 7 associated facilities

Grand Paris Express project in action...


Rer E - Porte-maillot station


Line 15 : Saint-Maur - Créteil


Line 16 Tunnel boring machine access shaft


Line 15 South package T2B

4 pictures

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