Under the energy crisis and global warming, mass transportation becomes more important than before. The disadvantages of mass transportation, plus the high flexibility and efficiency of taxi and with the revolution of technology, electric-taxi is the better transportation choice for metropolis....

This paper addresses a real-life public patient transportation problem derived from the Hong Kong Hospital Authority (HKHA), which provides ambulance transportation services for disabled and elderly patients from one location to another. We model the problem as a multi-trip dial-a-ride problem...

The paper describes a system for the solution of dial a ride problem (DRP). Dial a ride problem (DRP) is to take over the passenger from a place of departure to a place of arrival. It is characterised by a set of transport demands and a number of vehicles available. The ultimate aim is to offer...