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2000年10月29日至11月2日在四川省成都市举办了中国土木工程学会隧道及地下工程分会第十一届年会。交通部李居昌副部长在讲话中指出:公路隧道是公路上的重要构造物,具有以下特点:1.降低公路高程,保证常年通车;2.缩短行车里程,节省运费;3.节约能源,减少汽车损耗;4.节约土地,保护环境;5.减少人为的公路病害和水土流失;6.提高行车舒适性,降低交通事故发生率;7.方便山区群众出行,促进文化经济交流等。截至1999年底,我国已建成公路
From October 29, 2000 to November 2, 2000, the 11th Annual Meeting of China Society of Civil Engineering Tunnel and Underground Engineering Branch was held in Chengdu, Sichuan Province. Deputy Minister of Communications Li Juichang pointed out in his speech: Highway tunnel is an important structure on the road, has the following characteristics: 1. To reduce the highway elevation, to ensure perennial traffic; 2. To shorten the mileage, save shipping costs; 3. To save energy and reduce the car 4. To save land and protect the environment; 5. To reduce man-made road diseases and soil erosion; 6. To improve traffic comfort and to reduce the incidence of traffic accidents; 7. To facilitate mountain trips and promote cultural and economic exchanges. As of the end of 1999, China has built a highway