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2 report(s) found for Zhi Chen
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Calibration of HSM Predictive Methods on State and Local Rural Highways (Aug 2020, MPC-20-416)
Xiao Qin, Zhi Chen, and Mohammad Razuar Shaon

This study presents the application of the Highway Safety Manual (HSM) to rural state highways in South Dakota and provides important guidance and empirical results regarding how to calibrate HSM models. Calibration guidelines have been developed to facilitate future calibration activities. The calibration...

Evaluating Local and Tribal Rural Road Design with the Interactive Highway Safety Design Model (Sep 2013, DP-264)
Xiao Qin, Zhi Chen, Chase Cutler, and Kimberly Vachal

This document presents the application of the Highway Safety Manual (HSM) for rural local two-lane two-way highway segments in South Dakota. The calibration was based on three-year (2009-2011) crash data from 657 roadway segments constituting more than 750 miles of roadways. The calibration process includes...

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