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上海市地处东海之滨、长江三角洲前缘。东濒东海、北界长江、南临杭州湾,西与江、浙两省接壤,全市土地总面积6340.5平方公里,人口1742万人。行政区划为中心城区9个,郊区10个区县(其中崇明为县)。至2004年底,上海市公路总里程为7805公里,共有桥梁6048座,其中干线公路为1303公里,占公路总里程的16.7%,二级以上干线公路占94.55%。干线公路
Shanghai is located in the East China Sea coast, the front of the Yangtze River Delta. East of the East China Sea, north of the Yangtze River, Hangzhou Bay in the south, west and Jiangsu and Zhejiang provinces bordering the city’s total land area of 6340.5 square kilometers, population 17.42 million. Administrative divisions for the central city 9, suburban 10 districts (Chongming County). By the end of 2004, the total length of highways in Shanghai was 7805 kilometers, with a total of 6048 bridges, of which 1303 kilometers of trunk roads accounted for 16.7% of the total mileage of the highway and 94.55% of the roads above the second grade. Trunk road