Each of guided vehicles has an operating condition memory unit for storing the total travel distance, the travel time, the number of travels, {HEAD ~ the number} of errors at {TAIL ~ a stop position}, and the number of article transfers 
Each of guided vehicles has an operating condition memory unit for storing the total travel distance , the travel time , the number of travels , { HEAD ~ the number } of errors at { TAIL ~ a stop position } , and the number of article transfers
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH