茫茫的乌蒙群山中,一条从昆明通往四川宜宾的高等级公路——渝昆高速纵贯云岭南北,形成云南北上四川进入长江流域和中原的主要交通要道。高等级公路所经过的昆明、嵩明、会泽、昭通、水富、宜宾几个市县,群众出行便捷,社会经济发展。然而,云南昭通当地天龙牌大型货运汽车和少量外省货运汽车的驾驶员,面对国家投入巨资修建高等级或高速公 Among the vast Wumeng mountains, a high-grade highway leading from Kunming to Yibin in Sichuan Province runs through the north and south of Yunling, forming the main traffic route from Yunnan to the Sichuan in the Yangtze River Basin and the Central Plains. Kunming, Songming, Huize, Zhaotong, Shuifu and Yibin cities and counties passing high-grade highways enjoy convenient transportation and social and economic development. However, Zhaotong, Yunnan Zhaotong local large-scale freight cars and a small number of other provinces freight car drivers face the country invested heavily in the construction of high-grade or high-speed