An Analysis of the Influence of Urban Density on Traffic Accidents

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Key Points

The study aims to systematically analyze the relationship between urban density and traffic accidents using various density metrics.
Conducted empirical analysis using negative binomial regression on traffic accident data from 226 cities.
Urban density was subdivided into five metrics: population, employment, business, weekday/weekend resident densities.
Examined socioeconomic factors including fiscal independence, commercial land ratios, and foreign populations.
Higher employment density tends to increase traffic accidents.
In contrast, higher business density is associated with a decrease in traffic accidents.
Weekday resident density reduces accidents due to regular commuting, while weekend increases correlate with leisure-related accidents.

Analyzes urban density factors affecting traffic accidents, suggesting complex interplay of elements.

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Han et al. (2026) studied this question.

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