Permeable pavement can make old-school road engineers and pavement builders anxious. To them, the idea of water seeping through roads like they’re made of Swiss cheese just doesn’t seem right. Water runs off roads, not through them. Or at least it used to.
In the Northwest, there’s a growing acceptance of the use of pervious concrete and porous asphalt for roads, sidewalks, parking lots and driveways.
Read more in Sightline Daily.