In order to maintain and improve the level of special professional knowledge and skills in work, “Dosjan temir joly” JSC sent station attendants to take advanced training courses at the Center for Assessment and Development of Railway Personnel of JSC “NC KTZ” in Nur-Sultan, where the necessary conditions for training - highly qualified teachers with experience in production, appropriate material and technical base, an educational complex equipped with modern innovative technology. At the end of the course, the station attendants were issued certificates of completion of advanced training courses.