Turkish construction workers have broken through the second bore of the Boița 1 tunnel on the A1 Sibiu–Pitești motorway. The works have reached 45.11%.

Turkish contractors from the Mapa-Cengiz consortium broke through the second bore of the Boița 1 tunnel on Sunday, on Section 2 of the Sibiu–Pitești Motorway (A1), Boița–Cornetu. The bore is 264 meters long, and the operation marks the completion of excavation for both bores of the tunnel.

The first bore, measuring 247 meters, was broken through on July 20, 2026. The contractors will next carry out the inner lining of both bores. Physical progress on the Boița 1 tunnel has reached 45.11%, according to CNAIR head Cristian Pistol.

Work is also underway on the Balota and Robești tunnels. At the 500-meter-long Balota tunnel, excavation and exterior lining works are in progress, with physical progress at 13.69%. Both bores of the 900-meter-long Robești tunnel have been broken through. Waterproofing and inner lining works are being carried out there, with progress reaching 39.48%.

Across the entire 31.33-kilometer section construction site, 708 workers and 162 pieces of equipment are deployed. Overall construction progress is approximately 16%.

In the absence of the revised Environmental Agreement and construction permits for the entire site, the contractors can carry out approximately 45% of the works stipulated in the contract. CNAIR submitted the necessary documentation to ANMAP on August 12, 2026. The contract is worth 4.25 billion lei, excluding VAT, and is financed through the Transport Programme.