Porous asphalt pavement from image.slidesharecdn.com (see sdd 127, detail b). See more ideas about asphalt, porous pavement, asphalt pavement. • control noise at the source • more cost effective than noise walls.
Asphalt pavement is the quiet pavement option.
Porous 'permeable' pavement in lancaster city. 2 washed drainage stone, 90% relative compaction (design depth. Introduction allow water to drain open graded asphalt concrete (ogac). Porous asphalt has been around since the mid 1970s.
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