Articles in Taxonomy

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.

Standards support office (“NAN”)

With support from the Belgian Federal Public Service Economy, SMEs, Middle Classes and Energy, BRRC operates a standards support office that goes by the acronym “NAN”. The object is to inform SMEs in the road branch and make them aware of developments in the field of standardization and, where necessary, to offer them additional support in implementing new standards (which are often mandatory).

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Road Equipment Commission (REC-E226)

The publication of the European Construction Product Directive in 1989 marked the beginning of the gradual introduction of European standardization. European standards are to replace existing Belgian standards, or at least require them to be thoroughly revised. By affixing a CE mark, the manufacturer declares that the performance characteristics of his product have been determined by the appropriate European standard and that measures have been taken for the product to continue meeting these declared characteristics.

As the actors in the road equipment branch were concerned about the impact of this European standardization, a steering committee on European standardization in the road equipment branch was formed at BRRC in the spring of 2003. The first task of this committee was to increase the awareness of, and disseminate information to, the various actors in the field: road authorities, manufacturers, specialized institutions, etc. For that purpose, a series of thematic sessions on the standardization and CE marking of road equipment was held in March 2004.

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The comfort and effectiveness of road humps

Areas of Expertise (1)

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The speed adopted when driving over a round-top road hump will depend on the discomfort it generates (expressed in terms of vertical acceleration felt by the driver). A road hump should cause little discomfort at the design speed (V85), but sufficient vertical acceleration at higher speeds to encourage drivers to reduce their maximum speeds.

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