高速公路是结构强度高,使用寿命长,能够适应较大的交通量,保证车辆高速、安全、舒适行驶的高等级公路,它养护费用少,运输成本低,但前期建设费用投资多,为了保证其工程总体质量,必须在质量管理中采取现代化的管理方法。 Expressway is a high-grade highway with high structural strength, long service life, able to adapt to a large amount of traffic, to ensure high-speed, safe and comfortable driving of vehicles. It has less maintenance cost and low transportation cost, but more investment in construction costs in the early stage. The overall quality of the project, the quality management must take a modern management approach.