7月30日9时许,一辆满载货物的半挂车行驶至连霍高速武威段古浪双塔收费站1公里处时,轮胎突然发生自燃,事故造成高速路交通封堵,大量车辆滞留。接到报警后,武威消防救援官兵到达事故现场看到,一辆半挂车停在马路边,大火正在猛烈燃烧,火光冲 At 9:00 on July 30, when a semi-trailer loaded with goods traveled to a kilometer of Gulang Twin Towers in Wuwei section of Huohuo Expressway, the tire spontaneously burned spontaneously. Traffic on the expressway was blocked and a large number of vehicles were stranded. After receiving the alarm, Wuwei fire rescue officers and soldiers arrived at the scene of the accident saw a semi-trailer parked on the roadside, the fire is violently burning, fire red