Road construction, has roadside blocks made from water permeable concrete and designed to allow plants to grow through them

摘要

The construction comprises a top layer (3) of an extremely open material with a void content of at least 10% voids, especially extremely open asphalt concrete, and a row of concrete roadside blocks (9) next to the length edge of the road surface (2), especially next to the top layer. The blocks are designed to allow plants to grow through them and are made from water-permeable concrete material.