(Outer Urban PT) Inner, middle and outer sector boundaries

This is part of analysis from [Outer Urban Public Transport](https://www.infrastructureaustralia.gov.au/publications/outer-urban-public-transport-improving-accessibility-lower-density-areas), which was released in October 2018.\r\n\r\nThis layer represents the geographical extent of the inner, middle, and outer sectors used to perform the analysis in the report.

本分析内容节选自2018年10月发布的《远郊公共交通：提升低密度区域可达性》（Outer Urban Public Transport）报告，其官方发布链接为https://www.infrastructureaustralia.gov.au/publications/outer-urban-public-transport-improving-accessibility-lower-density-areas。

本数据图层表征了该报告开展分析工作时所采用的内环、中环及远郊分区的地理范围。