Jishan in context: Street-network sprawl trends
Jishan in context
The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Jishan plotted against Shanxi and China. The SNDi of new construction in Jishan fell steadily, 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, Jishan's incremental SNDi fell from 1.99 to 1.12 between 1991-2005 and 2006-2020. In terms of the aggregate network, Jishan ranked 10th out of 80 cities in Shanxi and 354th out of 1843 in China as of 2020.
New Street Additions (2006–2020)
- SNDi value
- 1.12
- Rank in China
- 21st of 1843
- Rank in Shanxi
- 3rd of 80
Entire Network (Aggregate)
- SNDi value
- 2.2
- Rank in China
- 354th of 1843
- Rank in Shanxi
- 10th of 80
Rankings go from most connected to most disconnected — rank 1 is the most connected.
What about similarly populated cities?
- Bimbilla, Ghana
- Yuanbaoshan, China
- Salon, India
- Jamaari, Nigeria
- Itaperuna, Brazil
- Mecheria, Algeria
In new street additions, Jishan built increasingly connected streets over time, while Bimbilla built increasingly connected streets from 1975 through 1991-2005, then shifted to more disconnected patterns and Jamaari fluctuated in its street-construction patterns. For the full network, Jishan and Bimbilla both became progressively more connected, while Jamaari became progressively more disconnected. Notably, Jishan had a more sprawly network than Jamaari in 1975 but the two have since reversed their relative ranking.