At 2 kilometers long, it is the nation's longest road tunnel, enhancing connectivity from Sofia to the Kulata border checkpoint with Greece.
https://bnnbreaking.com/world/europe/bulgaria-unveils-the-zheleznitsa-tunnel-its-longest-road-passage-strengthening-connectivity-to-greece
The Zheleznitsa tunnel, Bulgaria's longest road tunnel, is now open. This 2-kilometer engineering marvel connects Sofia to the Kulata border checkpoint, bolstering the Orient/East-Med Corridor and…
https://bnnbreaking.com/world/europe/bulgaria-unveils-the-zheleznitsa-tunnel-its-longest-road-passage-strengthening-connectivity-to-greece
Bulgaria Unveils the Zheleznitsa Tunnel, Its Longest Road Passage,…
bnnbreaking.comThe Zheleznitsa tunnel, Bulgaria's longest road tunnel, is now open. This 2-kilometer engineering marvel connects Sofia to the Kulata border checkpoint, bolstering the Orient/East-Med Corridor and…