期刊
JOURNAL OF COMPUTING IN CIVIL ENGINEERING
卷 25, 期 1, 页码 50-56出版社
ASCE-AMER SOC CIVIL ENGINEERS
DOI: 10.1061/(ASCE)CP.1943-5487.0000066
关键词
Roadway safety; Decision support; Network screening; Resource allocation
资金
- Illinois Department of Transportation through Illinois Center for Transportation Research [ICT-R27-18, ICT-R27-20, ICT-R27-34]
This paper presents an integrated decision-support framework that helps public agencies identify high-crash locations and develop cost-effective safety improvement projects. State-of-the-art safety concepts, such as safety performance functions, empirical Bayesian method, and potential for safety improvements, are incorporated to identify hazardous highway locations. Cost-effective safety projects are prioritized based on life-cycle safety benefit evaluation and optimal resource allocation models. An efficient solution algorithm to the optimization model is also proposed. The models are implemented in an internet-based, geographic information system (GIS) software tool that builds on state-of-the-art information technologies, graphical interfaces, and customized GIS algorithms such as spatial analysis with buffering operations.
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