Time definite freight transportation carriers provide very reliable scheduled services between origin and destination … levels of service to provide less circuitous routings. This paper develops a continuous approximation model for time definite … which demand is modeled as a continuous distribution and time definite service levels are imposed by limiting the maximum …

Delivery companies are offering an increasing number of time-definite services. Yet, little research has been done that …

links, accounting for ground and air transportation, are to be established, while ensuring time-definite deliveries. We …