- NEW RAILWAY STATION: In progress are marble cladding works are at level -1, works for the installation of fire-rated air ducts at platform level and works for the redevelopment of the surrounding area at the north section of the station.
- DIMOKRATIAS Station: In progress are works for the closing of the temporary opening of the roof slab.
- AGHIA SOFIA Station: In progress are works for the construction of the sidewalk at the south section of Egnatia Street, works for the drilling of holes at platform level to install supports for the air ducts, and works for the installation of supports at the tunnel fire-fighting network towards VENIZELOU Station.
- SINTRIVANI Station: Completed are works for the installation of fire-rated air ducts at platform level, works for the installation of TCR equipment, works for the installation of air ducts networks of the ventilation/air conditioning system in the technical area of the traction power supply equipment, as well as works for the installation of the lighting system in the tunnel. In progress are works for the construction of a wall at the north entrance and works for the installation of ventilation/air conditioning equipment in technical areas.
- PANEPISTIMIO Station: Completed are works for the installation of signaling and lighting cables in the tunnel, as well as works for the installation of TCR equipment.
- PAPAFI Station: In progress are works for the construction of a guard house and the fencing at Papafio Institution, works for the termination of TCR system cables and works for the installation of lighting system cables in the tunnel.
- EFKLIDIS Station: Completed are installation and cabling works for the TCR system.
- FLEMING Station: The works for the construction of the manhole connecting the water supply and the fire fighting networks of the station with EYATH (Thessaloniki Water Supply Company) at street-level have been completed. In progress are works for the termination of cables of the TCR system.
- ANALISPI Station: The works for the electrical connection of escalators and the installation of the lighting system in the tunnel have been completed. In progress are works for the assembly and installation of fire-rated air ducts at platform level.
- 25 MARTIOU Station: The works for the construction of the connection of the water supply and the fire fighting networks of the station with EYATH (Thessaloniki Water Supply Company) at street-level and the works for the installation of the radio communication system in the tunnel have been completed. In progress are works for the assembly and the installation of fire-rated air-ducts at the platform level, reinstatement works at street level and works for the installation of the fire-fighting system in the tunnel.
- VOULGARI Station: In progress are works for the installation of the fire-fighting system equipment in the tunnel and works for the assembly and installation of necks for the fire-rated air ducts at the platform level.
- NEA ELVETIA Station: Works for the installation of signaling cables have been completed. In progress are works for the termination of TCR cables and works for the assembly and installation of fire-rated air-ducts at platform level.
DEPOT
- Building Complex Ι: In progress are works for the installation of signaling cables at level +52.00 of building 7 and works for the installation of the equipment of the rolling stock painting facilities at level +58.00.
- Building Complex ΙI: In progress are building works, works for the installation of a false-ceiling in the Operation Control Centre, the installation of water supply network at level +66.40, the installation of the air conditioning network at level +59.00, works for the installation of doors and works for the installation of the lighting system at level +62.30 (OCC).
- TRACKWORK: In progress are works for the installation of the 3rd rail at SINTRIVANI crossover, the installation of slabs at pedestrian walkways at the section between VOULGARI Station and the Depot, the installation of protective covers for the third rail and works for the installation of fire-fighting, signaling and lighting equipment in tunnels.
