Construction structure of road transformation upgrading sponge city

The utility model discloses a construction structure of a road transformation and upgrading sponge city, which comprises a tree pool, a sidewalk, a non-motor vehicle lane, a concave greenbelt, an opencurb, a porous fiber cotton module, an infiltration well, a grass planting ditch and a rainwater garden, the seepage well comprises a rainwater well, a plain soil compaction layer, a gravel water purification layer and a coarse sand layer, the plain soil compaction layer, the gravel water purification layer and the coarse sand layer are sequentially arranged on the periphery of the rainwater wellfrom bottom to top, an overflow pipe communicated with the rainwater well is arranged in the middle of the rainwater well, and the end, not communicated with the rainwater well, of the overflow pipeis connected with a municipal rainwater pipe network. One end of the water guide pipe is communicated with the porous fiber cotton module, the other end of the water guide pipe is communicated with the rainwater well and provid