Lingxi in context: Street-network sprawl trends
Lingxi in context
The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Lingxi plotted against Hunan and China. The SNDi of new construction in Lingxi fell steadily, compared to Hunan which peaked in 1976-1990 and China which followed a zig-zag trend with an overall increase. Most recently, Lingxi's incremental SNDi fell from 3.42 to 1.78 between 1991-2005 and 2006-2020. In terms of the aggregate network, Lingxi ranked 86th out of 89 cities in Hunan and 1704th out of 1843 in China as of 2020.
New Street Additions (2006–2020)
- SNDi value
- 1.78
- Rank in China
- 153rd of 1843
- Rank in Hunan
- 10th of 89
Entire Network (Aggregate)
- SNDi value
- 4.83
- Rank in China
- 1704th of 1843
- Rank in Hunan
- 86th of 89
Rankings go from most connected to most disconnected — rank 1 is the most connected.
What about similarly populated cities?
In new street additions, Lingxi built increasingly connected streets over time, while Yuanqu built increasingly disconnected streets from 1975 through 1991-2005, then improved and Dormaa Ahenkro built increasingly disconnected streets over time. For the full network, Lingxi became progressively more connected, while Yuanqu grew more disconnected from 1975 through 1991-2005, then improved and Dormaa Ahenkro became progressively more disconnected. Lingxi and Yuanqu have been converging in their street-network character since 1975.