Abstract: Activity network models are usually represented by activity‐on‐node precedence diagramming or activity‐on‐branch arrow diagramming. We present a unified model in which each activity is represented by a start node, a finish ...

Abstract: An experimental knowledge‐based expert system to assist in traffic signal setting for isolated intersections is presented. In contrast to existing computer aids, the system can be applied to intersections of highly irregular ...

Abstract: A model to assess the impacts of major high‐occupancy vehicle (HOV) facilities on regional levels of, energy consumption and vehicle air pollution emissions in urban areas is developed and applied. This model can be used ...

Abstract: Among other concerns, construction planning involves the choice of construction technology, the definition of work tasks, the estimation of required resources and durations, the estimation of costs, and the preparation of ...