- The first Tunnel Boring Machine (ΤΒΜ1) has constructed 1450m of tunnel, while the second one (ΤΒΜ2) has constructed 950m. of parallel tunnel.
- Works related to the construction of diaphragm walls at EFKLEIDIS Station commenced.
- The construction of diaphragm walls at AGHIA SOFIA Station is at a completion stage (completed at a percentage of 94%), while their construction at PANEPISTIMIO Station is in progress.
- The construction of the roof slab at the cross-overs past SINTRIVANI Station was completed.
