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Road traffic accident severity analysis: A census-based study in China.

Deyu Wang¹, Qinyi Liu¹, Liang Ma¹

¹Department of Industrial Engineering, Tsinghua University, Beijing, PR China.

Journal of Safety Research

|December 19, 2019

Summary

This summary is machine-generated.

Road traffic accident severity in China is increasing, with higher fatality and injury rates despite fewer fatalities per capita. Key factors include impact energy release and victim protection, highlighting the need for targeted safety measures.

Keywords:

Accident severity Case fatality rate Road traffic safety

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Area of Science:

Road safety research
Traffic accident analysis
Public health

Background:

Road traffic fatalities per capita in China have decreased.
However, road traffic accident fatality and injury rates have been rising until 2015.

Purpose of the Study:

To analyze road traffic accident severity in China from a macro perspective.
To identify key causal factors contributing to increased accident severity.
To propose countermeasures for reducing accident severity.

Main Methods:

Utilized human damage (HD) and case fatality rate (CFR) to measure accident severity.
Analyzed national road traffic census data categorized by accident type.
Compared regional data with national data for consistency verification.

Main Results:

Overall CFR and HD increased by 19.0% and 63.7% respectively from 2000 to 2016.
Freight vehicles and late-night accidents showed higher fatality rates.
Speeding-related fatalities significantly increased from 5.3% to 42.0% above average.

Conclusions:

A growing trend in accident severity contrasts with declining road traffic accidents.
Impact energy release and victim protection are critical factors in accident severity.
Findings underscore the need for interventions addressing these key variables.