<prompt> Translate the following text to EnglishWakati wa usafirishaji unaoitwa wakati wa njia katika uchambuzi wa gharama za usafirishaji wa Marekani ni kuhesabiwa na haja ya mtoaji wa kusafiri kutoka kituo kimoja hadi kingine bila kujali njia ya usafirishaji.  <response>: delivery called route time in U.S. delivery cost analyses,5 is accounted for by the need for the carrier to move from one stop6 to another whatever the mode of delivery. 