| Summary: | 碩士 === 國立臺灣大學 === 土木工程學研究所 === 94 === At present, people set up the influence that the disposition form at grade will cause the city environment in many causes on the doubt and worry which use the transportation system of light rail transit. So this research is tried to be assessed and introduced the level light rail to set up the influence degree that the disposition form strikes to the original traffic flow. And, tried to solve that what kind of disposition form while the light rail route passing through the crossing. This research establish one light rail crossing choice procedure to decide the disposition form , and choice” the average delay time each person per hour” to be the evaluation index of the crossing performance. In order to keep the level of service of road at E grade , this search set up the threshold value of all disposition forms in the different traffic conditions , and examine the difference with statistics ways. Finally , by using the VISSIM software to simulate the micro traffic flow , the service condition of all disposition forms and guidelines could be established.
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