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Work Zone Safety Information Clearinghouse

Library of Resources to Improve Roadway Work Zone Safety for All Roadway Users

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Publication

Work Zone Crash Occurrence Prediction Based on Planning Stage Work Zone Configurations Using an Artificial Neural Network

Author/Presenter: Cheng, Yang; Wu, Keshu; Li, Hanchu; Parker, Steven; Ran, Bin; Noyce, David
Abstract:

Work zones are essential to maintain and improve road infrastructure. However, work zones affect traffic safety, and crashes and fatalities associated with work zones in the U.S.A. have increased substantially. Most existing work zone crash studies are not able to support the improvement of work zone planning and configuration, despite providing insights about individual crash level attributes. This study proposes an artificial neural network-based approach to predict the crash occurrence in work zones using only work zone configurations and design parameters. The goal is to explore whether using simple work zone configuration features available at the planning stage as the input can achieve satisfactory work zone crash prediction. The performance of the proposed model is satisfactory and comparable with existing studies using more comprehensive features. The proposed approach, early in the work zone design and planning stage, can provide designers and decision-makers with quick work zone safety evaluation for design alternatives and suggest extra resources and attention needed.

Source: Transportation Research Record: Journal of the Transportation Research Board
Publisher: Transportation Research Board
Publication Date: May 24, 2022
Full Text URL: Link to URL
Publication Types: Books, Reports, Papers, and Research Articles
Topics: Artificial Intelligence; Crash Risk Forecasting; Neural Networks; Temporary Traffic Control; Work Zone Design; Work Zone Safety; Work Zones

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