Durable type permeable pavement

The utility model discloses a durable type permeable pavement, include basic unit, permeable bed, drainage layer and the top layer of upwards laying in proper order and supplying water and pass down certainly, the top layer is provided with several evenly distributed's guiding gutter, be provided with the stream block that leads of laminating guiding gutter in the guiding gutter, it is provided with the cushion by water expansion rubber one -tenth to lead the stream block bottom, lead stream block upper surface and top layer parallel and level, the length direction who leads stream block's both sides edge self is provided with inside sunken drainage groove, the inside wall of guiding gutter is provided with the flow discharge groove who feeds through the drainage groove and be used for feeding through the sewer. The utility model discloses with the help of water -swelling rubber's characteristic, cushion after absorbing water can the grow, and the rainwater that gathers on the road surface just can leave alon