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 …

There has been a resurgence of interest in demand-responsive shared-ride systems,
motivated by concerns for the environment and also new developments in technologies …

The rise of research into shared mobility systems reflects emerging challenges, such as
rising traffic congestion, rising oil prices and rising environmental concern. The operations …

Dial-a-ride problems consist of designing vehicle routes and time schedules in a system of
demand-dependent, collective people transportation. In the standard problem, operational …

Abstract The Dial-a-Ride Problem (DARP) consists of designing vehicle routes and
schedules for customers with special needs and/or disabilities. The DARP with Electric …

Home health care (HHC) companies serve as the alternative to hospitals aiming to provide
customers with medical care at home. A crucial challenge for HHC providers is to optimize …

Can dynamic ride-sharing reduce traffic congestion? In this paper we show that the answer
is yes if the trip density is high, which is usually the case in large-scale networks but not in …

Abstract In the Dial-a-Ride-Problem (DARP) a fleet of vehicles provides shared-ride services
to users specifying their origin, destination, and preferred arrival time. Typically, the problem …

The rising competition in the logistics sector forces companies to be more economically
efficient. One of the major sources of inefficiency is the incomplete usage of available …

The dial-a-ride (DAR) service is a precursor to emerging shared mobility. Service providers
expect efficient management of fleet resources to improve service quality without degrading …