Zhenning in context: Street-network sprawl trends
Zhenning in context
The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Zhenning plotted against Guizhou and China. The SNDi of new construction in Zhenning peaked in 1976-1990, compared to Guizhou which peaked in 1976-1990 and China which followed a zig-zag trend with an overall increase. Most recently, Zhenning's incremental SNDi fell from 1.95 to 0.37 between 1991-2005 and 2006-2020. In terms of the aggregate network, Zhenning ranked 2nd out of 41 cities in Guizhou and 223rd out of 1843 in China as of 2020.
New Street Additions (2006–2020)
- SNDi value
- 0.37
- Rank in China
- 3rd of 1843
- Rank in Guizhou
- 1st of 41
Entire Network (Aggregate)
- SNDi value
- 1.98
- Rank in China
- 223rd of 1843
- Rank in Guizhou
- 2nd of 41
Rankings go from most connected to most disconnected — rank 1 is the most connected.
What about similarly populated cities?
- Stafford, United Kingdom
- Roi Et, Thailand
- Nowgaon, India
- Emin/Dörbiljin, China
- Shanzhou, China
- Yame, Japan
In new street additions, Zhenning built increasingly disconnected streets from 1975 through 1976-1990, then improved, while Stafford built increasingly disconnected streets from 1975 through 1991-2005, then improved and Emin/Dörbiljin fluctuated in its street-construction patterns. For the full network, Zhenning grew more disconnected from 1975 through 1991-2005, then improved, while Stafford became progressively more disconnected and Emin/Dörbiljin became progressively more connected.