In case of rain, rainwater on the road surface is quickly drained around the road to prevent water film formation, the drained water is recovered and reused, water on the road surface in winter is prevented from freezing, and vehicle speeding or slipping is prevented. Initiate a paved road drainage system that can ensure the safety of operation. A pavement road drainage system according to an embodiment of the present invention is provided at the edge along the width direction of the pavement, and is configured to guide water flowing into the inside through the opened upper end of the pavement in one direction. And a grating that is installed at the upper end of the drainage channel along the longitudinal direction of the drainage channel and is configured to filter foreign matter from the water flowing into the upper end of the drainage channel to block foreign matter from flowing into the drainage channel. It includes a plurality of rotation units that are rotatably coupled to form a grid structure, and the plurality of rotation units are provided in a roll shape, and while being fixed to the upper end of one side of the drainage channel, they are deployed along the longitudinal direction of the drainage channel and the upper end of the drainage channel Are installed in series.
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