Railway Track and Related Infrastructure in Koprivshtitsa – Stryama Interstation Section
Infrastructurno Stroitelstvo – Geostroy Consortium completed the construction and assembly works under the project Rehabilitation of the Railway Track, Related Facilities, Catenary and Power Supply Systems in Koprivshtitsa – Stryama Interstation Section from km 100+525 to km 106+337.
This is the first reconstruction of the longest railway tunnel on the Balkan Peninsula – Koznitsa Tunnel (5,812 m long), which has not been repaired for 50 years. In addition to the complete rehabilitation of the tunnel and the tunnel lining, the contract scope includes design.
Employer:National Railway Infrastructure Company
Contractor:Infrastructurno Stroitelstvo – Geostroy Consortium
Project implementation period:2019 - 2021