Nordic certification system for roadmarking materials: Version 6:2019

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Trond Cato Johansen

A Nordic certification system for road marking materials was introduced in 2015. The system is basedon documented performance measurements of material samples applied on test fields on public roads.The certification system includes both flat (type I) and structured/profiled (type II) markings, antiskidmaterials (materials with enhanced friction), temporary markings (Denmark only) and inlaid markings(Norway only). From 2019, the certification system will also include materials for hand applicationand materials with enhanced durability for illuminated high-traffic urban areas.

Material tests are carried out at two test sites: one in Norway and one in Denmark. The tests fields aresituated on public roads and the tested materials are thus exposed to real traffic conditions and toweather conditions representative for the Nordic countries. The materials are followed up byperformance measurements during one or two years. The certification includes requirements oncoefficient of retroreflected luminance RL under dry and wet conditions, luminance coefficient underdiffuse illumination Qd, friction and colour coordinates. The number of wheel passages is measured atthe test sites annually. The certification system includes material identification, which allows forfuture material sampling and analysis.

The certification system is based on the European standards EN 1824 Road marking materials – Roadtrials, EN 1436 Road marking materials – Road marking performance for road users, and EN 12802Road marking materials – Laboratory methods for identification.

The report describes the certification system and how it is applied in the Nordic countries. Proceduresand methods that are used for application of materials and performance measurements are specified.

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