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Road safety performance indicators for the interurban road network

机译：城际道路网的道路安全绩效指标

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摘要

Various road safety performance indicators (SPIs) have been proposed for different road safety research areas, mainly as regards driver behaviour (e.g. seat belt use, alcohol, drugs, etc.) and vehicles (e.g. passive safety); however, no SPIs for the road network and design have been developed. The objective of this research is the development of an SPI for the road network, to be used as a benchmark for cross-region comparisons. The developed SPI essentially makes a comparison of the existing road network to the theoretically required one, defined as one which meets some minimum requirements with respect to road safety. This paper presents a theoretical concept for the determination of this SPI as well as a translation of this theory into a practical method. Also, the method is applied in a number of pilot countries namely the Netherlands, Portugal, Greece and Israel. The results show that the SPI could be efficiently calculated in all countries, despite some differences in the data sources. In general, the calculated overall SPI scores were realistic and ranged from 81 to 94%, with the exception of Greece where the SPI was relatively lower (67%). However, the SPI should be considered as a first attempt to determine the safety level of the road network. The proposed method has some limitations and could be further improved. The paper presents directions for further research to further develop the SPI.
机译：已针对不同的道路安全研究领域提出了各种道路安全绩效指标（SPI），主要涉及驾驶员的行为（例如，使用安全带，酒精，毒品等）和车辆（例如，被动安全）；但是，尚未开发出用于道路网络和设计的SPI。这项研究的目的是为道路网络开发SPI，以用作跨区域比较的基准。所开发的SPI本质上将现有道路网络与理论上需要的道路网络进行了比较，理论上被定义为满足道路安全方面的一些最低要求的道路网络。本文提出了确定该SPI的理论概念，并将该理论转化为实际方法。此外，该方法已在许多试点国家（即荷兰，葡萄牙，希腊和以色列）应用。结果表明，尽管数据来源存在一些差异，但可以在所有国家中有效地计算SPI。总体而言，计算得出的SPI总体得分是现实的，范围从81％到94％，但希腊的SPI相对较低（67％）。但是，应该将SPI作为确定道路网络安全级别的首次尝试。该方法有一定的局限性，可以进一步改进。本文为进一步开发SPI提供了指导。

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