In reverse logistics networks, products (e.g., bottles or containers) have to be transported from a depot to customer locations and, after use, from customer locations back to the depot. In order to operate economically beneficial, companies prefer a simultaneous delivery and pick-up service....

Presently, dispatch control successfully applies the supply of train traffic to technical stations, regulating the order of passing transit trains and trains to be checked and made up. This procedure is also used for the jogging sections, regulating the supply of trains to the banking...

Like most others, traffic economists also treat a vertical line for the capacity of a road. When traffic flow approaches the vertical line, there will be congestion, while the line itself is a gridlock. This paper re-runs the traffic mathematics thoroughly, to derive some surprisingly new...

We study a target-oriented, multi-period location-transportation problem where customer demands are uncertain and transportation decisions are adaptative. This problem is meant to determine the facility locations, production quantities, capacities, and shipment quantities, with the objective of...