The modernization on the stretch of the Beira Alta line between Guarda and Cerdeira, includes the following work:

• Complete renewal of 14 km of track by replacing the bi-block concrete sleepers with multi-purpose concrete monoblock sleepers and 54 kg/m track with 60 kg/m track;

• Stabilization of the track platform and improvement of the drainage system;

• Stabilization of slopes;

• Adaptation of the overhead contact line infrastructure;

• Implementation of the Traction Return Current + Soil and Protection (RCT+TP) system;

• Adaptation of the current signaling and telecommunications infrastructure.