本文首先以数学模型方法为基础 ,对在维持一个五角环岛地区商业繁荣条件下的交通现状和未来进行了分析 ,然后提出了一些定性的结论和对策措施。这种综合考虑交通问题与社会经济其它因素 ,以及定性与定量相结合的思路对类似地区交通问题的研究提供了有益的参考 Based on the mathematical model method, this paper analyzes the current situation and future of traffic under the condition of commercial prosperity in a pentagonal roundabout, and then puts forward some qualitative conclusions and countermeasures. This comprehensive consideration of traffic problems and other socio-economic factors, as well as the combination of qualitative and quantitative ideas on traffic problems in similar areas provide a useful reference