JOURNAL OF POLYTECHNIC-POLITEKNIK DERGISI, cilt.18, sa.2, ss.99-105, 2015 (ESCI)
The cost of routing vehicles represents an important component of many transportation and distribution costs in a logistics system. The typical vehicle routing problem involves in designing a set of minimumcost routes for a fleet of vehicle. The vehicle routing problem with time windows is a generalization of the vehicle routing problem where the service of a customer can begin within the time window defined by the earliest and the latest times when the customer will permit the start of service.