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pal road route, roadbed, retaining structure, small bridgesResponsible for the route and road section in design of XX RaodResponsible for design of the route, subgrade pavement in design of XX RaodDesign of XX ProjectRoute design: route design mainly solve the problem of highway route space position, determine the position of the line flat, vertical, horizontal and geometrical parametersConstruction diagram: including all kinds of design drawings and the preparation of engineering quantity f