A railway station Peshtera - the end station on the short 46 km destination , comes from Stamboliiski.The trains here are connecting directly with central railway station Plovdiv.On this photo you can see a "Relay operated system of the key dependence and subordination".On Bulgarian language , this system is called "RUKZ" and from the Bulgarian to English , it is being reverberated the delay device , permitted the particular train to cross the railway station.Through railway station , furnished or supplied with "RUKZ" , the trains crossed with 60 km per hour.

Digital photo Veselin Malinov , e-mail: malinov.veselin99@gmail.com