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Urban development and road safety.

U Henning-Hager

Accident; Analysis and Prevention

|April 1, 1986

Summary

This summary is machine-generated.

This study quantifies the complex links between urban planning, transport, and road safety. It provides a model for authorities to assess road safety impacts of planning decisions and develop targeted interventions.

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Area of Science:

Urban Planning and Transport Engineering
Traffic Safety Research
Environmental and Civil Engineering

Background:

Limited understanding of interdependencies between urban/transport planning and road safety hinders effective policy.
Urban planning authorities need tools to assess road safety impacts of planning measures and entire areas.

Purpose of the Study:

To address the data deficit regarding urban planning and road safety interdependencies.
To enable planning authorities to evaluate road safety at the area level.
To develop a quantitative model for assessing road safety impacts.

Main Methods:

Empirical study of 21 residential areas with 56 variables (transport, development, infrastructure, population).
Statistical analysis including correlation, determinant identification, and non-linear regression modeling.

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Development of an evaluation procedure based on variable elasticities.

Main Results:

A non-linear regression model with seven variables quantifies relationships between transport provisions, traffic, and road safety.
Identified 'background variables' from urban development significantly influence road safety indirectly.
Developed a procedure to quantify and compare contributions to road safety for actionable recommendations.

Conclusions:

The developed model allows for the assessment of accident load in residential areas.
Urban development factors ('background variables') play a crucial role in road safety outcomes.
Findings provide a quantifiable basis for urban planning decisions to improve road safety.