Strymon-Kulata railway
The Strymon-Kulata railway is a railway line that connects the village of Strymon in Greece with Kulata in Bulgaria. The line unites three villages on opposite sides of the border, Strymon and Promachonas in Serres, Greece, and Kulata in Blagoevgrad, Bulgaria, and is entrance/exit to the Greek rail network from Bulgaria. Infrastructure. the line consists of a single line of normal width (1,435mm) with a total length of 14.5 km, made of old superstructure materials (S33B rails and S33 metal sleepers). The line is marked, with a maximum speed of and a maximum axle  load of 20.0tn. On the line of Strymon - Promachonas there are 2 tunnels and 5 bridges, while the transport of passengers through 2 Stations is served. Course. The southern terminus of the Strymon–Kulata railway is Strymon on a spur from the Thessaloniki–Alexandroupoli line. At Strymon, the line connects with a northbound line along Strymon River Valley to Promachonas, The line consists of a railway of approximately , of which are located within Greece, with the remaining located in Bulgaria.The Line then joins with the Bulgarian network at Kulata. At Kulata the line extends to Sofia, via Bulgariavia. Main  stations. The main stations on the Thessaloniki–Bitola railway are: Services. The Strymon - Koulata Railway Line is an international Regional railway line between Greece and Bulgaria.