Shouyang in context: Street-network sprawl trends
Shouyang in context
The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Shouyang plotted against Shanxi and China. The SNDi of new construction in Shouyang peaked in 1991-2005, compared to Shanxi which followed a zig-zag trend with an overall increase and China which followed a zig-zag trend with an overall increase. Most recently, Shouyang's incremental SNDi fell from 3.0 to 2.0 between 1991-2005 and 2006-2020. In terms of the aggregate network, Shouyang ranked 11th out of 80 cities in Shanxi and 385th out of 1843 in China as of 2020.
New Street Additions (2006–2020)
- SNDi value
- 2.0
- Rank in China
- 243rd of 1843
- Rank in Shanxi
- 12th of 80
Entire Network (Aggregate)
- SNDi value
- 2.24
- Rank in China
- 385th of 1843
- Rank in Shanxi
- 11th of 80
Rankings go from most connected to most disconnected — rank 1 is the most connected.
What about similarly populated cities?
- Charfasson, Bangladesh
- Risod, India
- Hiriyur, India
- Gbongan, Nigeria
- Zhongshan, China
- Siegen, Germany
In new street additions, Shouyang built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Charfasson built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns and Gbongan built increasingly disconnected streets over time. For the full network, Shouyang grew more disconnected from 1975 through 1991-2005, then improved, while Charfasson became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards and Gbongan became progressively more disconnected.