Abstract: Delay is an important measure of effectiveness in traffic studies; it represents the direct cost of fuel consumption and indirect cost of time loss to motorists. The 1985 Highway Capacity Manual (HCM) used delay as the ...

Abstract: The growing volume of hazardous‐materials shipments and the potential consequences of a materials release have raised public concern and scrutiny over the safe handling and transport of hazardous cargo. This has prompted ...

Abstract: Modeling traffic at toll collection facilities can assist in computing plaza capacity and performance. It may help planners and operators decide on which lane configurations are appropriate for specific hourly approach ...

Abstract: The benefits and costs of implementing a bus preemption system at isolated intersections and at intersections forming an open arterial network were investigated. Trade‐off analyses were performed on measures of road user ...

Abstract: The goal of this study is to make a comparative assessment of selected programs developed for traffic signal planning, design, and operation of isolated signalized intersections. A comprehensive inventory is conducted and ...

Abstract: Conditional probabilities were used to explore the potential relationships between driver age and factors related to crash involvement including crash location, manner of collision, roadway character, speed of vehicles ...

Abstract: An actuated controller performs well when the traffic is light to medium. When the traffic volume increases and one or more phases of an actuated controller reach the maximum green interval, the controller performance ...

Abstract: Transportation has been one of the essential areas within civil engineering since its early days. In commemoration of the 150th anniversary of ASCE, this paper presents a review of developments in research, education, and ...