Abstract: A methodology for system-wide estimation of environmental mitigation costs based on a stratified random sampling technique is presented, and its application is illustrated using the highway noise barrier needs of a large ...

Abstract: This paper presents multivariate correlation analyses of truck drivers' opinions on speed, hazards, roadway features, and traffic control devices in work zones (WZ). About 90% of truck drivers considered the WZ to be more ...

Abstract: Accident prediction models or the before‐and‐after study approach is commonly used to estimate the reduction in number of accidents resulting from highway improvements. The highway improvement evaluation results will depend ...

Abstract: Car-following models NETSIM, INTRAS, FRESIM, and CARSIM have been extensively used for simulation of traffic conditions, including congested conditions. The car-following algorithms of these models are well known and ...

Abstract: A new methodology for modeling delay at undersaturated two-way stop controlled intersections was developed. Total delay was divided into service delay and queue delay. Empirical models were developed to estimate service ...