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A412 motorway: French court refuses to suspend the works

The Administrative Court of Appeal of Lyon rejected the City of Geneva's request to suspend the works, according to an order revealed on 30 October 2026 by Le Courrier and reported by RTS.

⏱ 1 min read

Background

The A412 motorway is due to link Machilly to Thonon, in the French Chablais, to open up the region. The City of Geneva has always opposed it. It has already filed an appeal against the environmental permit issued by the French authorities.

The key points

The Administrative Court of Appeal of Lyon rejected the City of Geneva's request to suspend the works, according to an order revealed on 30 October 2026 by Le Courrier and reported by RTS. Geneva had launched an urgent suspension procedure.

The municipalities of Choulex, Presinge, Gy, Puplinge, Vandœuvres and Lancy were associated with the request. According to the court, none of the arguments raises serious doubt about the legality of the order. Geneva's lawyer had notably cited the impact of the works on the great capricorn beetle, present on the site.

The works are continuing pending a decision on the merits. Deforestation in the Chablais forest continues, according to the Tribune de Genève.

Key figures

  • 6 : Geneva municipalities associated with the City of Geneva's request

Who says what

  • City of Geneva : it fears more commuter cars, while the Léman Express already serves this section.
  • Nature Protection Council : it notes major damage to biodiversity and insufficient compensation.

What's next

  • French courts have yet to rule on the merits on the appeal against the environmental permit.

Further reading

Sources

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