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Development of South Carolina Databases and Calibration Factors for the Highway Safety Manual
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2018-12-01
[PDF-13.24 MB]
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Edition:Final Report
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Abstract:This report provides the Highway Safety Manual (HSM) calibration factors for the state of South Carolina. In this report, all facility types analyzed in HSM part C, are calibrated using the crash data of 2013 to 2015. Crash distribution tables are also provided using the observed crashes from 2011 to 2015. Finally, state-specific safety performance functions are also developed and evaluated for use in South Carolina. Two slightly different crash assignment methods are used, and as a result, two sets of results are generated. However, only the results from the South Carolina Department of Transportation (SCDOT) preferred method of a 250 foot intersection buffer are presented in this report; the other series of results related to a variable buffer by intersection design parameters are presented in the electronic Appendix.
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