Smooth travel exposure—urban roads with a roughness level less than 4.2 IRI

Smooth travel exposure (percentage of travel undertaken each year on state-controlled urban roads with a roughness level condition of less than 4.2 IRI).\r\n\r\n**Please note: This is an inactive dataset and is no longer maintained by the Department of Transport and Main Roads. The last update to this dataset was done on the 15/11/2018.**​

平顺出行暴露度（每年在州属管控城市道路上行驶且路面平整度条件低于4.2国际平整度指数(IRI)的出行占比）。

请注意：本数据集为非活跃数据集，不再由交通与主干道管理局（Department of Transport and Main Roads）维护。该数据集的最后一次更新日期为2018年11月15日。