Wangcheng in context: Street-network sprawl trends
Wangcheng in context
The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Wangcheng plotted against Hunan and China. The SNDi of new construction in Wangcheng followed a zig-zag trend with an overall decrease, compared to Hunan which peaked in 1976-1990 and China which followed a zig-zag trend with an overall increase. Most recently, Wangcheng's incremental SNDi fell from 1.83 to 1.54 between 1991-2005 and 2006-2020. In terms of the aggregate network, Wangcheng ranked 4th out of 89 cities in Hunan and 92nd out of 1843 in China as of 2020.
New Street Additions (2006–2020)
- SNDi value
- 1.54
- Rank in China
- 80th of 1843
- Rank in Hunan
- 3rd of 89
Entire Network (Aggregate)
- SNDi value
- 1.68
- Rank in China
- 92nd of 1843
- Rank in Hunan
- 4th of 89
Rankings go from most connected to most disconnected — rank 1 is the most connected.
What about similarly populated cities?
In new street additions, Wangcheng fluctuated in its street-construction patterns, while Yishan fluctuated in its street-construction patterns and Bandar-e Anzali built increasingly disconnected streets over time. For the full network, Wangcheng fluctuated in connectivity, while Yishan fluctuated in connectivity and Bandar-e Anzali became progressively more disconnected.