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Transferred versus local Safety Performance Functions: A geographical analysis considering two European case studies

机译:转移与本地安全性能职能:考虑到两个欧洲案例研究的地理分析

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摘要

Two main approaches can be used to predict road accidents: transferring existing Safety Performance Functions (SPFs) from other areas (transferred SPFs), and developing local SPFs. Both approaches have advantages and disadvantages, and are affected by the difficult choice of predictors. Regional variables or terrain factors may lead prediction improvements. However, results from previous relevant research are contradictory and transferability assessments are mainly based on North-American experiences.
机译:两个主要方法可用于预测道路事故:将现有的安全性能函数(SPF)从其他区域(转移SPF)传输,并开发本地SPF。 两种方法都具有优缺点,受到预测因子的难度选择的影响。 区域变量或地形因素可能导致预测改进。 然而,以前相关研究的结果是矛盾和可转移性评估主要基于北美经验。

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