【摘要】 随着我国高速公路的发展,互通式立交桥的道路安全问题日益受到关注.文中以京津塘高速公路马驹桥互通式立交桥为研究对象,结合该区域道路、交通以及事故统计数据,从立交形式、匝道线形和加速车道设置三个方面来分析安全状况,针对立交形式的完善和加速车道长度的确定进行了较为深入的探讨,并提出相应的改进措施,进而提高立交桥的安全水平.更多还原

【Abstract】 With the development of highway in China,more and more people pay attention to the problem of Interchange Road Safety increasingly.In this paper,MaJuqiao interchange in Jingjintang Highway is taken as research target.Based on road data,traffic data and accident data,concerning on the type of interchange,the geometric design of ramp and the design of acceleration lane,some ways are brought out for adjusting.Moreover,the paper focuses on the type and the length of acceleration lane in order to enhance the degree of interchange safety.更多还原