{HEAD ~ The method} 1 wherein said collecting a vehicle factor further includes collecting the vehicle speed of {TAIL ~ the vehicle} 
{ HEAD ~ The method } 1 wherein said collecting a vehicle factor further includes collecting the vehicle speed of { TAIL ~ the vehicle }
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