YERLİSİNYAL-ANK (Domestic Signal-Interlocking) is the first and only domestic interlocking system in Türkiye with SIL4 level safety integrity.
YERLİSİNYAL-ANKYERLİSİNYAL-ANK has been deployed on a total of 850 km of railway lines across Türkiye, from Malatya to Aydın and from Kars to Ankara.
YERLİSİNYAL-ANK is used for equipping both signal-free railway lines and renewing outdated interlocking systems that have reached the end of their service life.
YERLİSİNYAL-ANK has flexible interfaces that can drive field equipment from different manufacturers (signal, track circuit, axle counter, switch motor, level crossing protection system, ATS).