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Safety Analysis Considering the Impact of Travel Time Reliability on Elderly Drivers

Emmanuel Kidando, Ren Moses, Yassir Abdelrazig and Eren Erman Ozguven

Journal of the Transportation Research Forum, 2017, vol. 56, issue 1

Abstract: The main goal of this research was to evaluate how travel time reliability (TTR) might be associated with crashes involving elderly drivers, defined as those age 65 and above. Several TTR metrics were used to estimate their influence on elderly crash frequency and severity of the crash on freeways and arterial highways. The results suggest that TTR is statistically significant in affecting both elderly crash frequency and the severity of a crash involving an elderly driver. In particular, the analysis of risk ratios illustrates that a one-unit increase in the probability of congestion reduces the likelihood of the elderly severe crash by 22%.

Keywords: Health Economics and Policy; Public Economics (search for similar items in EconPapers)
Date: 2017
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DOI: 10.22004/ag.econ.262673

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