The present invention relates to a waterway that is installed to facilitate drainage on road slopes during civil works, and the collection and drainage ditches, watertight ditches and water pipes from the factory to concrete. By curing curing, it is possible to simply install the raceway on the road slope by connecting assembly work instead of pouring work at the construction site, providing shortening of air and reducing public affairs, and securing ecological space of animals and plants to harmonize with nature It is about getting a friendly raceway and low design.
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