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Old Posted Jul 28, 2016, 2:43 AM
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aberdeen5698 aberdeen5698 is offline
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Originally Posted by renthefinn View Post
You may have noted in several areas along the SFPR that during a rainfall event the road is quieter or the splash from other vehicles onto your windshield is less. This is because the aggregate structure provides a higher degree permeability as the structure is open graded (missing some intermediate sizes) allowing water to flow through this layer of pavement reducing the water on the surface.
Very interesting, thanks for the video and the description.

I assume that the higher permeability would be problematic in a colder climate because permeated water that freezes seems like it could cause a lot of damage.