Articles in Taxonomy

Measurement of the daytime visibility of road markings

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The result of this measurement, daytime visibility, is the luminous intensity from a surface unit of sampled road marking, as perceived by a motorist from a distance of 30 m; it is expressed per unit of illumination of the marking under diffuse lighting conditions. Diffuse lighting can be compared to natural lighting under a clouded sky, or street lighting at night. Daytime visibility is expressed in mcd lx-1 m-2. Typical values for the daytime visibility of new white markings range between 100 and 200 mcd lx-1 m-2. On concrete, which is lighter in colour, usually a higher initial value is required than on asphalt, since not only absolute daytime visibility is important, but also the contrast of the marking with the surrounding road surface. The measuring apparatus available at BRRC is a Qd30 instrument of the DELTA company; it is described in more detail in BRRC’s information leaflet F56.

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Field performance requirements for road markings

Il est important, durant toute la durée de vie du marquage, qu’il:
- ait la bonne couleur (blanc ou jaune en Belgique),
- soit visible en toutes circonstances,
- soit suffisamment rugueux pour éviter que l’on ne glisse sur lui (SRT).

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Cycle facilities manual of the Brussels Capital Region

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The cycle facilities manual of the Brussels Capital Region offers technical support to all actors involved in the promotion of cycling and especially in the improvement of cycle infrastructure in Brussels.

Safety, comfort, rapidity, attractivenes and consistency are the five major demands made by by cyclists on the quality of cycle facilities.

Cyclist safety and comfort are greatly determined by the quality of pavements, road markings and lighting.

At the request of Brussels Mobility, BRRC has authored two parts of the manual dealing with those topics.

Dynamic mobility and safety management for the installation of variable message signs in the Brussels Capital Region

The Mobility – Safety – Road Management Division worked together with engineering firm EGIS in a preliminary study on dynamic mobility and safety management for the installation of variable message signs (VMS) in the Brussels Capital Region. VMS can be used for real-time dissemination of information to road users. Motorists can use this information to change their behaviour or routes.

Methodology for road safety inspections

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Although directive 2008/96/EG of the European Parliament and the Council of 19th November 2008 on road infrastructure safety management describes the procedure for safety audits in more detail, BRRC has chosen to start the implementation with the gradual development of a methodology for safety inspections.

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