- The assembly of the first Tunnel Boring Machine was completed.
- The construction of diaphragm walls is at an advanced stage:
- NEOS SIDIRODROMIKOS STATHMOS: completed at a percentage of 93%
- DEMOKRATIAS Station: completed at a percentage of 76%
- SYNTRIVANI Station: completed at a percentage of 91%
- AGHIA SOFIA Station: completed at a percentage of 45%
- Branching towards Stavroupoli: completed at a percentage of 72%
- The construction of retaining piles at PANEPISTIMIO Station is at a completion phase: completed at a percentage of 81%.
