ABNORMALITY DETERMINATION DEVICE, ABNORMALITY DETERMINATION METHOD AND PROGRAM
BLOCKING ROD MONITOR AND BLOCKING ROD MONITORING METHOD
LOCKING DEVIATION MONITOR DEVICE AND LOCKING DEVIATION MONITOR SYSTEM
TRACK STATE DIAGNOSTIC SYSTEM AND TRACK STATE DIAGNOSTIC METHOD
OPENING/CLOSING DOOR FOR EVACUATION OF PEDESTRIAN IN RAILWAY CROSSING AND GATE
BYPASS ROAD BETWEEN TWO ADJACENT RAILROAD CROSSINGS AND UTILIZATION METHOD THEREOF
RAIL BREAKAGE DETECTION DEVICE AND RAIL BREAKAGE METHOD