CONSTRUCTION OF NEW ATHENS–THESSALONIKI DOUBLE RAILWAY LINE BETWEEN 310 AND 319 KILOMETER Owner: HELLENIC RAILROAD ORGANIZATION SA Budget: 31.694.791 € Time of construction: 1991 - 1994 Short Description: Construction of a 4.5-km embankment. Bridge design and construction over the river Enipeas (total length of 322 m). Bridge pile foundations of 1.2 m in diameter and 40 m in depth. Railway tunnel construction (total length of 1,100 meters, cross section of 100 m2). Other road network rehabilitation technical works.