- The construction of diaphragm walls at DEMOKRATIAS Station is at a completion stage.
- The construction of diaphragm walls at SYNTRIVANI Station is at an advanced stage (completed at a percentage of 71%), while the excavation works at VENIZELOS Station have recently commenced.
- The construction of the raft at the start-up shaft of the two tunnel boring machines will soon commence at NEOS SIDIRODROMIKOS STATHMOS.
