Shouzhang in context: Street-network sprawl trends
Shouzhang in context
The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Shouzhang plotted against Henan and China. The SNDi of new construction in Shouzhang followed a zig-zag trend with an overall increase, compared to Henan which peaked in 1976-1990 and China which followed a zig-zag trend with an overall increase. Most recently, Shouzhang's incremental SNDi fell from 2.94 to 2.85 between 1991-2005 and 2006-2020. In terms of the aggregate network, Shouzhang ranked 88th out of 129 cities in Henan and 897th out of 1843 in China as of 2020.
New Street Additions (2006–2020)
- SNDi value
- 2.85
- Rank in China
- 775th of 1843
- Rank in Henan
- 89th of 129
Entire Network (Aggregate)
- SNDi value
- 2.84
- Rank in China
- 897th of 1843
- Rank in Henan
- 88th of 129
Rankings go from most connected to most disconnected — rank 1 is the most connected.
What about similarly populated cities?
- Treviso, Italy
- Elbasan, Albania
- Kasserine, Tunisia
- Nuneaton, United Kingdom
- Devakottai, India
- Khemis El Khechna, Algeria
In new street additions, Shouzhang fluctuated in its street-construction patterns, while Treviso built increasingly disconnected streets from 1975 through 1976-1990, then improved and Nuneaton built increasingly disconnected streets over time. Looking at the full network, Treviso and Nuneaton both became progressively more disconnected, while Shouzhang fluctuated in connectivity.