Underground Contruction

Third metro line, Lot 2, Construction of MS 3 “Trakia” and adjacent tunnel section

Employer: „Metropolitan“ EAD, Sofia Municipality

„Trace Group Hold“ Plc will execute construction works on Lot 2, which include MS 3 „Trakia” and its adjacent tunnel section reaching to MS 4. The metro station will be built using a combined Milan method and cut and cover method in a fortified excavation. The total built-up area of ​​the station is 5,485 square meters and its length is 155 meters. There will be three entrances to the station and two vestibules located at the eastern and western parts of the station. The interior design of the station will be in green colour as an allusion to the fertile lands of the Thracian lowlands (region in the south of Bulgaria). The implementation period is 42 months.

The groundbreaking ceremony took place on March 21, 2022 in the presence of Trace's management team, Sofia Mayor Yordanka Fandakova and prof. Stoyan Bratoev - Executive director of "Metropolitan" EAD. Dipl. Eng. Dimitar Mitev is the project manager appointed by Trace.