Within the scope of the Malatya-Elazığ Railway (Infrastructure, Superstructure, Electromechanical) Survey, Design, Engineering, and Consultancy Service Procurement, Definitive Geological and Geotechnical Study Reports were prepared for 11 tunnels. Calculation reports for the tunnel models were completed, and analyses of the tunnel entrance and exit portals were conducted. Additionally, Portal Reports detailing the necessary support systems for these portals were developed.