雙語科技百科(近現代成就) 第110期:滬嘉高速公路
The First Highway—Hujia Express Way
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，中國大陸擁有了自己的高速公路。滬嘉高速公路是204國道（上海至煙臺）的人滬路段，從上海市區祁連山路至市郊嘉定縣南門，是一條全立交全封閉裝置全供汽車專用的高等級公路。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 a design speed of 120 km, the highway is open t0 40000 vehicles day and night.
公路全長20.5千米，佔地寬45米，路面寬26.5米，中央有3.5米的分隔帶，上下行各兩個車道，兩側還有2.5米寬的硬路肩，供緊急停車用。這條公路首次採用了現代化的交通監控設施，全線設立了3個數據採集系統可採集到車速、車型和過路汽車資料。每一千米設有緊急電話，使汽車司機、公路管理人員和中央控制室保持聯絡。公路設計時速120千米，晝夜可通車4萬餘輛。
