Jiangchuan in context: Street-network sprawl trends
Jiangchuan in context
The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Jiangchuan plotted against Yunnan and China. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Jiangchuan's incremental SNDi rose from 1.64 to 2.69 between 1991-2005 and 2006-2020. In terms of the aggregate network, Jiangchuan ranked 2nd out of 78 cities in Yunnan and 120th out of 1843 in China as of 2020.
New Street Additions (2006–2020)
- SNDi value
- 2.69
- Rank in China
- 652nd of 1843
- Rank in Yunnan
- 29th of 78
Entire Network (Aggregate)
- SNDi value
- 1.77
- Rank in China
- 120th of 1843
- Rank in Yunnan
- 2nd of 78
Rankings go from most connected to most disconnected — rank 1 is the most connected.
What about similarly populated cities?
In new street additions, Jiangchuan and Itaguaí both fluctuated in its street-construction patterns, while Deir Mawas built increasingly disconnected streets over time. Looking at the full network, Itaguaí and Deir Mawas both became progressively more disconnected, while Jiangchuan fluctuated in connectivity. Jiangchuan and Itaguaí have been growing further apart in their street-network character since 1975.