Stationes ferri viari velox plures operatores habent, et platens combinatoria multiplex systematis — POI (Point of Interface) — optime solvit quaestiones principales superfluae ductilationis et constructionis redundantis dominis. Dispositiva passiva 17-in-4-out POI et 8-in-4-out POI, aliaque Jingdasignal late adhibentur ad tegendum signum in hac statione.
