Quanzhou in context: Street-network sprawl trends

Quanzhou in context

2.43.244.8<19751976–19901991–20052006–2020SNDi of street additions
2.43.244.8<19751976–19901991–20052006–2020SNDi of entire street network
QuanzhouFujian (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Quanzhou plotted against Fujian and China. While Fujian and China both followed a zig-zag trend with an overall increase, Quanzhou's new street additions followed a zig-zag trend with an overall increase. Most recently, Quanzhou's incremental SNDi rose from 3.16 to 3.69 between 1991-2005 and 2006-2020. In terms of the aggregate network, Quanzhou ranked 35th out of 75 cities in Fujian as of 2020.

New Street Additions (2006–2020)

SNDi value
3.69
Rank in Fujian
38th of 75

Entire Network (Aggregate)

SNDi value
3.05
Rank in Fujian
35th of 75

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

What about similarly populated cities?

1.42.12.83.54.2<19751976–19901991–20052006–2020SNDi of street additions
1.42.12.83.54.2<19751976–19901991–20052006–2020SNDi of entire street network
QuanzhouBarcelonaCape Town

In new street additions, Quanzhou and Barcelona both fluctuated in its street-construction patterns, while Cape Town built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full street network, though, all three cities follow the same trend. Quanzhou and Barcelona have been growing further apart in their street-network character since 1975.