关键词: 立交, 方案, 评价

Abstract: he evaluation of grade separation discussed in this paper refers to a comparison and selection out of those plans after the evaluation of their feasibility. The evaluation takes into consideration not only the compromise and balance between the technical goal and the economic one, but also the restrictions and effects from social and enviromental factors. The evaluation maker thus can find the fittest evaluation pattern according to the information and materials at his disposal.

Key words: interchange, project, eyaluation