strategic road network

According to the index of road important extent, the layout type of stations was decided.

同时结合观测站布设应满足的规则及交通量变化临界点的选择方法,以交通生成吸引点、交通枢纽等为依据,确立了地区交通量观测站布设的总体思路和流程,通过构建道路重要度指标确定观测站布设的类型。