2003年11月22日,河南省交通厅召开了全省高速公路沥青路面病害防治及排水设计研讨会。长安大学教授、博士生导师王秉刚等近10名国内知名专家介绍和交流了国内外对沥青路面病害防治及排水设计的最新研究成果,并对河南高速公路的设计、建设、管理、养护等工作提出了建议。河南省交通厅副厅长李庆瑞指出: November 22, 2003, Henan Provincial Communications Department held a highway highway asphalt pavement disease prevention and drainage design seminar. Nearly 10 well-known domestic and foreign experts such as Chang’an University professor and PhD supervisor Wang Binggang introduced and exchanged the latest domestic and foreign research results on asphalt pavement disease prevention and drainage design and put forward the design, construction, management and maintenance of Henan expressway Suggestion Henan Provincial Communications Department deputy director Li Qingrui pointed out: