Customer relationship management is of high importance as it strengthens customer satisfaction. Providing consistent service cultivates retention and brand loyalty. This paper examines a new customer-oriented routing problem, the Consistent Vehicle Routing Problem with heterogeneous fleet. The objective to create cost-efficient plans, utilising fixed fleet vehicles operational characteristics, ...

This paper proposes a dynamic vehicle routing problem (DVRP) model with fuzzy customer responses and suggests optimal strategies. Most DVRP studies have focused on how to create new route upon the occurrence of situations such as unexpected demands. However, received little attention. When pop-up demand is added one planned routes, service for some optimally demands may be delayed. Customers fi...