Press Releases “Athena” Tunnel Boring Machine on Metro Line 4 has completed its journey. 12/02/2026 Pilot 24-hour operation of the Thessaloniki Metro on December 20th and 27th 2025 16/12/2025 Thessaloniki Metro Base Line recommissioned earlier than scheduled 10/12/2025 Restoration of the revenue service of the Thessaloniki Metro System 26/06/2025 Construction of the Athens Metro New Line 4, Section A’ “Alsos Veikou – Goudi” 05/02/2025 Handing over of the Thessaloniki Metro system for Revenue Service 30/11/2024 12345›»