Abstract: One of the key tasks in highway investment decision making is to conduct project selection. The existing optimization models for project selection concerning an entire highway system do not address the issue of budget ...

Abstract: One of the key steps in the highway investment decision-making process is to conduct project evaluation. The existing project level life-cycle cost analysis approaches for estimating project benefits maintain limited ...

Abstract: Of the overall benefits of a highway project, only a portion may be quantifiable in dollar values and the remaining in nondollar values. To facilitate project comparisons, both portions of project benefits need to be ...

Abstract: This paper introduces a new methodology for highway investment decision making under uncertainty that uses Shackle’s model for uncertainty-based project benefit analysis and system optimization for project selection. ...

Abstract: The transportation decision-making process is complicated in that it often involves conflicting interests and expectations of different stakeholders. To ensure achieving sound decisions, various performance criteria in ...

Abstract: A methodology is proposed for project-level life-cycle cost analysis of highway intersection safety hardware improvements. It incorporates a disaggregated risk-based approach for computing the safety index that could be ...

Abstract: This research aims to determine the reasonable scale of toll highways in China by considering factors including effects of non-debt investments; agency costs of construction, maintenance, and system operations; user travel ...

Abstract: A new methodology is proposed to address issues of networkwide effects of highway projects and interdependencies of jointly implementing multiple projects to support optimal investment decisions. Specifically, a multicommodity ...

Abstract: Transportation planning is multidimensional, complex, and dynamic in nature. The decision-making process often involves multiple stakeholders with conflicting preferences. Effective decision outcomes can only be reached ...

Abstract: This paper introduces an Empirical Bayesian (EB) before-after analysis method for assessing the effects of highway shoulder paving on safety performance. In the first step, multi-year data on field-observed crash frequencies ...