From the standpoint of saving the resouces for public work and the amount of transportation in paving and filling, the laboratory tests for the remnant materials (Base course materials) were conducted in order to establish the most suitable recycle system and reuse the remnant materials not treated which we have not used in Japan. The base course materials were almost suited to the standard of the recycle materials. In the future we will an effort to realize the re-use of the remnant materials from base course in cooperation with the road supervisors.