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Abstract: There are five significant European corridors passing through Bulgaria. Within the road transport the priority is the completion of highways Marica, Struma and the Black Sea. Struma highway is a part of Trans European Corridor no. IV from Sofia to Kulata and provides north – south route through Bulgaria. Tunnels Zheleznitsa and Kresna are part of the Struma Lot 3 highway. Tunnel Zhezeznitsa is...
Abstract: There are several corridors of Trans-European Road Network across Bulgaria. One of them is corridor no. IV that secures north-west connection of Bulgaria to Aegean Sea in part of Sofia – Kulata – Thessaloniki. Name of the corridor in this part of Sofia – Kulata is “Motorway Struma” there is a river flowing in parallel to motorway with the same name. Motorway is divided into four sections: Lot 1...