Six surface treatments (bush hammering, longitudinal diamond grinding, fine milling, thin surface course system and cold applied surface course) have been applied to the A46 between Sixhills and Widmerpool. TRL were commissioned to monitor the skid resistance, friction and surface condition performance of each treatment. Measurements were made on each surfacing up to 35 months of service. This report presents and discusses the results at the end of the monitoring period.

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