Quangang in context: Street-network sprawl trends

Quangang in context

2468<19751976–19901991–20052006–2020SNDi of street additions
2468<19751976–19901991–20052006–2020SNDi of entire street network
QuangangFujian (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Quangang plotted against Fujian and China. The SNDi of new construction in Quangang was at its lowest in 1991-2005, compared to Fujian which peaked in 1976-1990 and China which followed a zig-zag trend with an overall increase. Most recently, Quangang's incremental SNDi rose from 2.58 to 3.79 between 1991-2005 and 2006-2020. In terms of the aggregate network, Quangang ranked 53rd out of 75 cities in Fujian and 1518th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
3.79
Rank in China
1306th of 1843
Rank in Fujian
42nd of 75

Entire Network (Aggregate)

SNDi value
3.88
Rank in China
1518th of 1843
Rank in Fujian
53rd of 75

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

What about similarly populated cities?

2468<19751976–19901991–20052006–2020SNDi of street additions
2468<19751976–19901991–20052006–2020SNDi of entire street network
QuangangSehoreAyacucho

While Sehore and Ayacucho both fluctuated in its street-construction patterns, Quangang built increasingly connected streets from 1975 through 1991-2005, then shifted to more disconnected patterns in new street additions. Looking at the full network, Sehore and Ayacucho both fluctuated in connectivity, while Quangang became progressively more connected. Quangang and Sehore have been converging in their street-network character since 1975.