Tillståndsmätningar av vägmarkeringar i Norden: en jämförelse mellan vägmarkeringars funktion i Norge, Sverige och Finland

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Mohammad-Reza Yahya

The overall aim of the present study was to compile and compare road marking performance in Norway, Sweden and Finland, in order to disseminate knowledge. More specifically, the study aimed at investigating whether there are any differences in road marking performance between the countries, and whether there are any differences in road marking performance depending on traffic volume and road width. The results showed that road marking performance tended to be somewhat better in Norway and Sweden than in Finland. The average of the retroreflexion for dry edge markings were in Norway 179, in Sweden 177 and in Finland 142. Corresponding results for centre lines were in Norway 137 (yellow markings), in Sweden 164 (white marking) and in Finland 102 (white marking) and 107 (yellow marking), respectively. For wet edge markings, the retroreflexion was 45 in Norway and 31 in Sweden. In Finland, no data on wet markings was available. Furthermore, the results showed that the retroreflexion of the edge markings was independent of average annual daily traffic (AADT) and roadway width. Centre markings on roads with AADT<2000 had lower retroreflexion than centre markings on roads with larger traffic volume. A sample of 98–167 objects were selected from each country, where each object consisted of a 2–10 kilometre long stretch of road. All objects were two-lane roads, which were divided into five classes based on AADT and roadway width. For each object, the retroreflexion of both edge lines and the centre line was measured.

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