The report describes an inter-Nordic investigation of accident rate on paved roads with different pavement surface conditions. The investigation was based on data from measurements in 1982-86 of rut depth and unevenness supplemented with traffic and road data, weather statistics and information on traffic accidents with injuries. Accident in junctions were excluded from the analysis. The results indicate a lower accident rate for roads with more worn pavement surfaces - more uneven and with deeper ruts - than for those with only little wear. However, during days with more precipitation than 10 millimeters, the roads with worn pavements showed a higher accident rate. Rut depth and unevenness were originally measured for other purposes. The limited amount of data made it difficult to eliminate probable co-variation between pavement surface condition and road parameters like road geometry, speed limit etc.


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    Titel :

    Trafiksaekerhet och Vaegytans Egenskaper (TOVE): En Undersoekning av Belagda Vaegar med Olika Yttillstand Baserad pa Data fran Fyra Nordiska Laender 1982-1986 (Traffic Safety and Properties of the Road Surface: An Investigation of Surfaced Roads with Varying Surface Conditions Based on Data from Four Nordic Countries 1982-1986)


    Beteiligte:

    Erscheinungsdatum :

    1989


    Format / Umfang :

    126 pages


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch