The study of the tunnel crossing under Mount Setiha is part of the modernization of the RN 43 between Jijel and Skikda, aiming not only to offer users a shorter route, but also to improve their conditions of security.
Road tunnel excavated according to the NATM method with a cross section of 9.76 m x 5.00 m, with a length of 935 m and an emergency gallery with a cross section of 4.00 m x 4.00 m and a length of 700 m.
Detail Design
2013 - 2018
Ministério das Obras Públicas e de Transportes / Direção das Obras Públicas da Wilaya de Skikda
TPF Consultores