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The First Highway—Hujia Express Way
第一条高速公路——沪嘉高速公路
On October 31, 1988, China has its own highway. Hujia Expressway is a section entering into Shanghai of 204 National Road ( Shanghai to Yantai) , from the Qilian Mountain Road of Shanghai suburb to the south gate of Jiading County, a full-lnterchange closed equipment for the entire car dedicated highgrade highways.
1988年10月31日，中国大陆拥有了自己的高速公路。沪嘉高速公路是204国道（上海至烟台）的人沪路段，从上海市区祁连山路至市郊嘉定县南门，是一条全立交全封闭设备全供汽车专用的高等级公路。
A total length of 20. 5 kilometers highway occupies an area of 45 meters wide, with a 26.5 meters wide pavement, 3.5 meters medial strip, two lanes of each direction from upstream to downstream,and there are als0 2. 5 meters wide hardened verges on both sides for emergency vehicle use. The highway, for the first time, introduced a modern traffic control facilities, and three data acquisition systems set up on the whole road can collect data of speed, models and the passing cars. Emergency telephones are offered in very one kilometer, helping vehicle drivers, road managers keep in touch with the central control room.With a design speed of 120 km, the highway is open t0 40000 vehicles day and night.
公路全长20.5千米，占地宽45米，路面宽26.5米，中央有3.5米的分隔带，上下行各两个车道，两侧还有2.5米宽的硬路肩，供紧急停车用。这条公路首次采用了现代化的交通监控设施，全线设立了3个数据采集系统可采集到车速、车型和过路汽车数据。每一千米设有紧急电话，使汽车司机、公路管理人员和中央控制室保持联络。公路设计时速120千米，昼夜可通车4万余辆。
