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Related Experiment Video

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Evaluating the Effect of Roadside Parking on a Dual-Direction Urban Street

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Published on: January 20, 2023

Road safety performance indicators for the interurban road network.

George Yannis¹, Wendy Weijermars, Victoria Gitelman

¹National Technical University of Athens, Greece.

Accident; Analysis and Prevention

|December 28, 2012

Summary

This study introduces a new road safety performance indicator (SPI) to assess road networks. The developed SPI compares existing infrastructure to ideal safety standards, offering a benchmark for regional comparisons.

Keywords:

Performance indicators Pilot studies Road network Road safety

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Area of Science:

Road Safety Engineering
Transportation Infrastructure Management
Public Policy

Background:

Existing road safety performance indicators (SPIs) primarily focus on driver behavior and vehicle safety.
There is a lack of standardized SPIs for evaluating the safety of the road network and its design.

Purpose of the Study:

To develop a novel SPI for the road network.
To establish a benchmark for cross-regional comparisons of road infrastructure safety.
To translate a theoretical concept into a practical method for SPI calculation.

Main Methods:

Developed a theoretical concept for an SPI based on comparing existing road networks to a theoretically required network meeting minimum safety standards.
Translated the theoretical concept into a practical calculation method.
Applied the method in pilot countries: the Netherlands, Portugal, Greece, and Israel.

Main Results:

The SPI was efficiently calculable across diverse data sources in pilot countries.
Overall SPI scores generally ranged from 81% to 94%, indicating good performance.
Greece showed a lower SPI (67%), highlighting specific areas for improvement.

Conclusions:

The developed SPI provides a realistic assessment of road network safety levels.
The method serves as a foundational tool for road safety evaluation and comparison.
Further research is recommended to refine the SPI and address identified limitations.