Yishan in context: Street-network sprawl trends
Yishan in context
The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Yishan plotted against Zhejiang and China. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Yishan's incremental SNDi rose from 3.91 to 4.49 between 1991-2005 and 2006-2020. In terms of the aggregate network, Yishan ranked 93rd out of 116 cities in Zhejiang and 1546th out of 1843 in China as of 2020.
New Street Additions (2006–2020)
- SNDi value
- 4.49
- Rank in China
- 1530th of 1843
- Rank in Zhejiang
- 98th of 116
Entire Network (Aggregate)
- SNDi value
- 3.98
- Rank in China
- 1546th of 1843
- Rank in Zhejiang
- 93rd of 116
Rankings go from most connected to most disconnected — rank 1 is the most connected.
What about similarly populated cities?
- Huguan, China
- Siegen, Germany
- Zhongshan, China
- Wangcheng, China
- Bandar-e Anzali, Iran
- Mal Bazaar, India
In new street additions, Yishan and Huguan both fluctuated in its street-construction patterns, while Wangcheng fluctuated in its street-construction patterns. For the full network, Yishan and Huguan both fluctuated in connectivity, while Wangcheng fluctuated in connectivity.