# A412 motorway in Haute-Savoie: construction continues despite legal challenges

> On October 27, 2026, the liberties and detention judge ordered the A412 construction site in Haute-Savoie to be brought into compliance without suspending work, following reports on the protection of beavers, amphibians and fish. The next day, some thirty farmers threatened with expropriation by the project between Thonon and Geneva expressed their distress. On October 29, the Lyon administrative court of appeal rejected the interim relief application filed by the City of Geneva and associations seeking to suspend the environmental authorization, allowing the construction site to continue.

**In brief**: Ongoing story bringing together 3 events in Haute-Savoie, followed from 27 October 2026 to 29 October 2026. 12 articles from 9 sources (justice, transport); last updated on 29 October 2026 at 19:39.

- Status: ongoing
- Category: Justice, Transport
- Place: Haute-Savoie
- First detected: 27 October 2026 at 11:27
- Updated: 29 October 2026 at 19:39
- Web page: https://acturadar.com/en/stories/103-a412-motorway-in-haute-savoie-construction-continues-despite-legal-challenges

## Reported figures

- 20 000 euros

## Timeline (3 events)

### 27 October 2026 — [A412 in Haute-Savoie: Judge Orders Site Compliance Without Suspending Work](https://acturadar.com/en/events/1711-a412-in-haute-savoie-judge-orders-site-compliance-without-suspending-work.md)

The judge of liberties and detention ordered the compliance of the A412 highway construction site in Haute-Savoie, without suspending work, following reports on the protection of beavers, amphibians, and fish.

9 sources, 10 articles · Haute-Savoie

### 28 October 2026 — [A412 en Haute-Savoie : des agriculteurs menacés d'expropriation](https://acturadar.com/en/events/2512-a412-en-haute-savoie-des-agriculteurs-menaces-d-expropriation.md)

Le projet d'autoroute A412 entre Thonon et Genève suscite le désarroi d'une trentaine d'agriculteurs menacés d'expropriation.

1 sources, 1 articles · Haute-Savoie

### 29 October 2026 — [A412 : la Ville de Genève déboutée, revers pour les opposants](https://acturadar.com/en/events/4388-a412-la-ville-de-geneve-deboutee-revers-pour-les-opposants.md)

La cour administrative d'appel de Lyon a rejeté le référé de la Ville de Genève et d'associations visant à suspendre l'autorisation environnementale de l'A412 en Haute-Savoie, permettant la poursuite du chantier.

1 sources, 1 articles · Machilly — Haute-Savoie

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Cite as: Acturadar, “A412 motorway in Haute-Savoie: construction continues despite legal challenges”, https://acturadar.com/en/stories/103-a412-motorway-in-haute-savoie-construction-continues-despite-legal-challenges
Methodology: https://acturadar.com/en/methodology