Road drainage and water filtration structure

The utility model discloses a road drainage and water filtration structure. The structure comprises a road, a drainage ditch and a drainage and water filtration cavity, the road is arranged above thewater draining and filtering cavity; drainage ditch arranged on two sides of road, slightly upheaval in the middle of a road, the road comprises a permeable layer and a permeable pipe; the permeable layer is provided with a lifting plate, a push rod, an isolation plate and a spring; the drainage ditch comprises a guide plate and a drainage groove; the water draining and filtering cavity comprisesa water draining cavity, a water absorbing layer, a concrete layer, a water filtering layer and a water draining layer, a water permeable layer is arranged in the road, rainwater can flow down througha water permeable pipe in the water permeable layer when flowing down towards the two sides, the lifting plate pushes the push rod and the isolation plate under the action of the spring, and the rainwater flows down from a gap