Articles in Taxonomy

Safety diagnosis and audit

BRRC has been monitoring the growing interest in road safety audits and inspections for a number of years. As early as in 2002, the Centre participated in the activities of the European Road Federation (ERF).

On 29th November 2008, directive 2008/96/EG of the European Parliament and the Council of 19th November 2008 on road infrastructure safety management was published in the Official Journal of the European Union.

About Traffic and safety

Each road traffic “participant” is liable to be involved in an accident. Various factors play a role in this risk. Accidents are very rarely the result of a single unsafe action; they generally imply a chain of circumstances and events that may lead to an accident-prone situation. The following diagram (known as the Swiss Cheese Model) suggests that various types of error (“latent errors” and “unsafe actions”) must be present at the same time to cause an accident.

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Passively safe support structures for road equipment

A little less than 40 % of all road fatalities result from collisions with roadside obstacles. Collisions with such isolated obstacles are about twice as lethal as on average and cause 1.6 times more serious injuries as on average. Natural obstacles (such as trees) are by far the largest group. Additionally, considerable numbers of lives are lost in collisions with lighting columns and other road equipment.
Collisions with lighting columns and other robust support structures account for slightly less than 10 % of the total number of road deaths. Yet for lighting columns and for sign or signal poles there are alternatives that are not inferior in functionality to conventional rigid structures. This makes a major difference for the occupants of a passenger car running into such a support structure.

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Geometric inspection of raised traffic calming devices on public highways: road humps

Raised traffic calming devices (road humps) which are meant to reduce the speed of traffic on public highways to a maximum of 30 km/h have to meet the siting conditions and technical specifications laid down in the royal decree of 3rd May 2002, which has amended a previous royal decree of 9th October 1998. The changes introduced by the new decree consist mainly of tolerances in dimensions.

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Telematics - Intelligent transport systems (ITS) – Vehicle-infrastructure interaction and cooperation

Society yearns for safer, smoother and cleaner traffic. The decrease in public investments, coupled with these justified social expectations, is underlining the need for new answers to the traditional challenges. Road managers and operators are currently working towards a culture of network optimization. These various factors are at the core of the exponential growth of intelligent transport systems (ITS).
BRRC contributes to this area by collecting and disseminating information. A good knowledge of the potential of ITS as an alternative to more traditional, more physical methods, is essential for decision-makers and road planners. These systems, which come in various forms and formats, are intended for the road network as a whole, from motorways to municipal roads.

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