{HEAD ~ The system} recommends, to a driver of the vehicle, {TAIL ~ an available traffic route} that has a highest estimated potential demand among a plurality of the available traffic routes 
recommends
{ HEAD ~ The system } recommends , to a driver of the vehicle , { TAIL ~ an available traffic route } that has a highest estimated potential demand among a plurality of the available traffic routes
HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH