- NOMARCHIA Station and Crossover: The works for the construction of temporary retaining piles are at an advanced stage;
- KALAMARIA Station: Works for the construction of temporary retaining piles are in progress;
- NEA KRINI Station: Works for the retaining of the station are in progress (installation of struts at the 2nd level);
- MIKRA Station: The works for the construction of the temporary retaining system (pre-stressed anchors, bored piles) are at a completion stage, while works for the construction of the NATM tunnel are at an advanced stage;
- KRITI Shaft: The construction of temporary retaining piles was completed, while excavation works have commenced;
- Preparation and approval of designs are in progress;
- The expropriation of areas at ARETSOU Station, MIKRA Station portion and MIKRA Forestation is still pending.
