Station Simpang is station of coal line, Container yards, Coal yards in South Sumatera and the location between Prabumulih-Kertapati station. The station is remodeled to increase the capacity and existing mechanical interlocking is replaced by electric signaling. The scope is supplying all indoor equipment (Interlocking, Power System and Interface System) and outdoor equipment (LED Signals and Point Machines), installation and test & commissioning. Electrologixs Interlocking-ALSTOM Product-is introduced