DCTI (construction and IT dept)-Civil engineering office


redevelopment of the ferney motorway junction with a view to connecting the new route des nations and to adapt to the expected traffic load by 2020 as well as to that related to major events

Tingénieriesa services

  • managing the multi-disciplinary group
  • layout studies (partial)
  • engineering works studies(cable-stayed overpass,
  • roundabout underpass, as well as various supporting works)


creation of an auxiliary road on the grand-saconnex side double motorway entry reduced to only one layout modification of the existing entry-exit layout replacing the current motorway crossing

modification of the traffic lanes


conceptual design: 2005-2009

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