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