The layout modeling system also includes a plurality of {TAIL ~ links} to connect respective nodes along the transport route and having route information to correspond to respective routes between {HEAD ~ the respective nodes} 
The layout modeling system also includes a plurality of { TAIL ~ links } to connect respective nodes along the transport route and having route information to correspond to respective routes between { HEAD ~ the respective nodes }
OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD