This paper describes a model developed for medium-term operations planning in an intermodal rail-truck system. It was motivated by the need to redesign such systems to produce 1. (1) more reliable service, 2. (2) multiple service classes, and 3. (3) better equipment and facility utilization. The...

This paper describes concepts and techniques to measure the flexibility of a transportation system to accommodate changing demands and traffic patterns. Flexibility is increasingly desired as a characteristic of transport systems, particularly in light of changes in supply chains and traffic...

This paper presents a model of the decision making of local transit agencies regarding the amount of service to produce, and the use of competitive contracting as a means of service delivery, with particular reference to the impact of external factors, especially federal policies, on that...

The purpose of this paper is to clarify concepts of the relationships used to describe the supply of transport services in network flow equilibrium models. These functions are used to describe the capacity, level of service, and price characteristics of transportation systems. There appear to be...