Ligne Le Puy-en-Velay – Firminy : interruption totale du trafic ferroviaire

, Ligne Le Puy-en-Velay – Firminy : interruption totale du trafic ferroviaire
, Ligne Le Puy-en-Velay – Firminy : interruption totale du trafic ferroviaire

SNCF Réseau engage d’importants travaux de régénération sur la ligne ferroviaire Le Puy-en-Velay – Firminy, du lundi 29 septembre au vendredi 12 décembre 2025. Ce chantier implique une interruption totale des circulations ferroviaires sur cette période.

Les travaux porteront sur :

  • Le renouvellement des voies en gare du Puy (rails, traverses, ballast) et la réalisation de travaux hydrauliques,
  • La rénovation d’ouvrages d’art (pont ferroviaire de Semène),
  • La sécurisation de parois rocheuses et de talus (au niveau de la tranchée de Chadrac et des tunnels de Boutère, Nantet, Gournier et Mesonnet),
  • Le remplacement d’installations de signalisation.

Des impacts sont également prévus pour les circulations routières :

  • Le passage à niveau 45 bis (rue de la Loire, Aurec-sur-Loire) sera fermé aux piétons et véhicules durant toute la durée du chantier. Un cheminement provisoire PMR et une déviation routière seront mis en place.
  • Sous le pont ferroviaire de Semène (entre les routes de Saint-Paul et du Pont-Neuf), la circulation sera interdite courant novembre (dates précises à venir).

Ce chantier, financé à hauteur de 5,7 M€ par l’État (76,5 %), la Région Auvergne-Rhône-Alpes (15 %) et SNCF Réseau (8,5 %), vise à maintenir la performance, la sécurité et la régularité de la ligne.

Les usagers sont invités à consulter le site www.ter.sncf.com/auvergne-rhone-alpes pour organiser leurs déplacements.

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Ligne Le Puy-en-Velay – Firminy : interruption totale du trafic ferroviaire
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