Guangfu in context: Street-network sprawl trends

Guangfu in context

2.433.64.2<19751976–19901991–20052006–2020SNDi of street additions
2.433.64.2<19751976–19901991–20052006–2020SNDi of entire street network
GuangfuJiangsu (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Guangfu plotted against Jiangsu and China. The SNDi of new construction in Guangfu fell steadily, compared to Jiangsu which peaked in 1976-1990 and China which followed a zig-zag trend with an overall increase. Most recently, Guangfu's incremental SNDi fell from 2.79 to 2.4 between 1991-2005 and 2006-2020. In terms of the aggregate network, Guangfu ranked 40th out of 101 cities in Jiangsu and 668th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
2.4
Rank in China
454th of 1843
Rank in Jiangsu
27th of 101

Entire Network (Aggregate)

SNDi value
2.61
Rank in China
668th of 1843
Rank in Jiangsu
40th of 101

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

What about similarly populated cities?

1.42.12.83.5<19751976–19901991–20052006–2020SNDi of street additions
1.42.12.83.5<19751976–19901991–20052006–2020SNDi of entire street network
GuangfuTumbesBawku

In new street additions, Guangfu built increasingly connected streets over time, while Tumbes fluctuated in its street-construction patterns and Bawku built increasingly disconnected streets over time. For the full network, Guangfu became progressively more connected, while Tumbes fluctuated in connectivity and Bawku became progressively more disconnected. Guangfu and Tumbes have been converging in their street-network character since 1975.