Guankou in context: Street-network sprawl trends

Guankou 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
GuankouFujian (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Guankou plotted against Fujian and China. The SNDi of new construction in Guankou followed a zig-zag trend with an overall decrease, compared to Fujian which peaked in 1976-1990 and China which followed a zig-zag trend with an overall increase. Most recently, Guankou's incremental SNDi fell from 2.76 to 2.6 between 1991-2005 and 2006-2020. In terms of the aggregate network, Guankou ranked 21st out of 75 cities in Fujian and 731st out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
2.6
Rank in China
587th of 1843
Rank in Fujian
9th of 75

Entire Network (Aggregate)

SNDi value
2.68
Rank in China
731st of 1843
Rank in Fujian
21st of 75

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

What about similarly populated cities?

3456<19751976–19901991–20052006–2020SNDi of street additions
3456<19751976–19901991–20052006–2020SNDi of entire street network
GuankouWuqingDebandi

In new street additions, Guankou and Debandi both fluctuated in its street-construction patterns, while Wuqing fluctuated in its street-construction patterns. For the full network, Guankou and Debandi both fluctuated in connectivity, while Wuqing fluctuated in connectivity. Guankou and Wuqing have been growing further apart in their street-network character since 1975.