The system computes {HEAD ~ a plurality} of available traffic routes from the current location to the destination location or to {TAIL ~ the destination region} 
The system computes { HEAD ~ a plurality } of available traffic routes from the current location to the destination location or to { TAIL ~ the destination region }
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL