Steelphalt has developed a range of asphalt products using steel slag aggregate. In 2014 and 2015 TRL carried out skid resistance monitoring on sites utilising products across the Steelphalt range. The goal of these surveys was to demonstrate the in-service performance of Steelphalt materials in as wide a range of situations as possible. The work presented in this report extends the previous studies by carrying out additional skid resistance measurements in 2016. Measurements were
carried out on six sites including high and low risk locations, all of which comprised the SteelFlow 6 mm material.

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