Prior information notice for shotcrete reinforcement + Drainage of free and unstable materials in the Chamoise tunnel on the A40 motorway. Estimated date of publication of contract notice: 15/05/2024. Contact APRR, attn Yugurta Bakhouche, Saint-Apollinaire, tel +33 0380776970, email yugurta.bakhouche@aprr.fr. Visit https://ted.europa.eu/en/notice/-/detail/51575-2024#sectionSection%20I-0. Ref. BPC001749. 04/24.