Zhangpu in context: Street-network sprawl trends

Zhangpu in context

2.533.544.5<19751976–19901991–20052006–2020SNDi of street additions
2.533.544.5<19751976–19901991–20052006–2020SNDi of entire street network
ZhangpuJiangsu (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Zhangpu plotted against Jiangsu and China. While Jiangsu and China both followed a zig-zag trend with an overall increase, Zhangpu's new street additions followed a zig-zag trend with an overall increase. Most recently, Zhangpu's incremental SNDi rose from 3.34 to 3.46 between 1991-2005 and 2006-2020. In terms of the aggregate network, Zhangpu ranked 76th out of 101 cities in Jiangsu and 1313th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
3.46
Rank in China
1134th of 1843
Rank in Jiangsu
70th of 101

Entire Network (Aggregate)

SNDi value
3.41
Rank in China
1313th of 1843
Rank in Jiangsu
76th of 101

Rankings go from most connected to most disconnected — rank 1 is the most connected.

What about similarly populated cities?

246<19751976–19901991–20052006–2020SNDi of street additions
246<19751976–19901991–20052006–2020SNDi of entire street network
ZhangpuRongchengPampore

In new street additions, Zhangpu and Rongcheng both fluctuated in its street-construction patterns, while Pampore built increasingly disconnected streets over time. For the full network, Zhangpu and Pampore both became progressively more disconnected, while Rongcheng fluctuated in connectivity. Zhangpu and Rongcheng have been growing further apart in their street-network character since 1975.