Urban areas worldwide face a significant environmental challenge which is increasing
municipal solid waste rate. Addressing its negative consequences necessitates …

Vehicle routing problems have been the focus of extensive research over the past sixty
years, driven by their economic importance and their theoretical interest. The diversity of …

The vehicle routing problem is one of the most studied combinatorial optimization topics,
due to its practical importance and methodological interest. Yet, despite extensive …

Over the past decades, the Vehicle Routing Problem (VRP) and its variants have grown ever
more popular in the academic literature. Yet, the problem characteristics and assumptions …

The use of drones for parcel delivery has recently attracted wide attention due to its potential
in improving efficiency of the last-mile delivery. Though attempts have been made on …

In this study, we investigate a routing problem in urban transportation which considers time-
dependent travel time, multiple trips per vehicle, and loading time at the depot …

Over the past few years, unmanned aerial vehicles (UAV), also known as drones, have been
adopted as part of a new logistic method in the commercial sector called “last-mile delivery” …

Due to new regulations and further technological progress in the field of electric vehicles, the
research community faces the new challenge of incorporating the electric energy based …

The recent research on the CVRP is being slowed down by the lack of a good set of
benchmark instances. The existing sets suffer from at least one of the following drawbacks:(i) …

The design of distribution systems raises hard combinatorial optimization problems. For
instance, facility location problems must be solved at the strategic decision level to place …