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三隧两桥通南北,开辟西部新走廊紫之隧道位于杭州西湖群山之中,北靠西溪湿地,南临钱塘江、东近西湖。工程线位南起之浦路、之江路,北至紫金港路、西溪路,中间线位绕避西湖风景名胜区区域界线,全长约14.2 km,设计速度60 km/h,含三座隧道、两对进出匝道,为“全国最长城市隧道群”。其中:1#隧道4 860 m、2#隧道4 045 m、3#隧道4 780 m。坚持四项原则,打造杭州第一隧特殊的地理位置及人文自然景观造就了“杭城第一隧”的特殊地位。
Three tunnels through the two north-south bridge, opening up a new corridor in the west purple tunnel is located in the West Lake in Hangzhou among the north Xixi Wetland, the south Qiantang River, the East near the West Lake. The project is located in the south of Pu Road, Zhijiang Road, north to Zijingang Road, Xixi Road, the middle line to avoid the boundaries of the West Lake Scenic Area, a total length of about 14.2 km, design speed of 60 km / h, with three tunnels , Two on the ramp, as “the longest city tunnel group ”. Including: 1 # tunnel 4 860 m, 2 # tunnel 4 045 m, 3 # tunnel 4 780 m. Adhere to the four principles to build the first tunnel in Hangzhou, a special geographical location and cultural natural landscape created “Hangzhou first tunnel ” special status.