Zhangpu in context: Street-network sprawl trends

Zhangpu in context

2.73.64.55.4<19751976–19901991–20052006–2020SNDi of street additions
2.73.64.55.4<19751976–19901991–20052006–2020SNDi of entire street network
ZhangpuFujian (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 Fujian and China. While Fujian 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 2.44 to 2.61 between 1991-2005 and 2006-2020. In terms of the aggregate network, Zhangpu ranked 16th out of 75 cities in Fujian as of 2020.

New Street Additions (2006–2020)

SNDi value
2.61
Rank in Fujian
10th of 75

Entire Network (Aggregate)

SNDi value
2.54
Rank in Fujian
16th of 75

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

What about similarly populated cities?

2.12.83.54.2<19751976–19901991–20052006–2020SNDi of street additions
2.12.83.54.2<19751976–19901991–20052006–2020SNDi of entire street network
ZhangpuVirudhachalamFarah

In new street additions, Zhangpu and Virudhachalam both fluctuated in its street-construction patterns, while Farah built increasingly connected streets from 1975 through 1991-2005, then shifted to more disconnected patterns. For the full network, Zhangpu and Virudhachalam both fluctuated in connectivity, while Farah became progressively more connected. Zhangpu and Farah have been converging in their street-network character since 1975.