Boral aSPHal T Build something great ™ Stone Mastic Asphalt SMA10 PAcific Hig Hw Ay – North of Coffs h arbour, 2004 (reviewed 2010) CASE STUDY Project Impact Statement Reduce road-tyre noise that is adversely affecting the high value residential development along the highway north of Coffs Harbour and produce a ‘quiet ride’ for the driving public. This was achieved by overlaying of the existing highway with Stone Mastic Asphalt (SMA) whic

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