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北京奥林匹克公园中心区地下交通联系通道主体结构布置在南一路、湖边东路、北一路北侧及景观西路的地下。主隧道全长4498.92m,与地下一层成府路、大屯路隧道相连的匝道全长1520.20m,与地面相连的进出口全长3906.07m。主隧道设计行车速度30km/h,匝道设计行车速度10km/h。主隧道标准断面宽度为12.25m(三车道),交通组织形式为单向逆时针。
The main structure of the underground traffic links in the central area of Beijing Olympic Park is arranged on the south side of the road, the lakeside east road, the north side of North Road and the underground of landscape west road. The total length of the main tunnel is 4498.92m. The total length of the ramp connecting to Chengfu Road and Datun Road Tunnel on the ground floor is 1520.20m. The length of import and export connected to the ground is 3906.07m. The main tunnel design driving speed 30km / h, ramp design driving speed 10km / h. The standard section width of the main tunnel is 12.25m (three lanes) and traffic organization is one-way anticlockwise.