sentences:  It includes 76 tunnels (with a combined length of 99 km / 61.5 miles) and 1,650 bridges.It is a limited-access highway with sophisticated electronic surveillance measures, SCADA controls for the lighting/tunnel ventilation, and advanced vehicle collision absorption measures.Part of its length, a section of about from Evros to Thessaloniki, parallels the ancient Roman Via Egnatia, which ran from modern Durrës in Albania to Thessaloniki and thence to Byzantium (now Istanbul, Turkey).