Fuzhou in context: Street-network sprawl trends

Fuzhou in context

1.82.73.64.55.4<19751976–19901991–20052006–2020SNDi of street additions
1.82.73.64.55.4<19751976–19901991–20052006–2020SNDi of entire street network
FuzhouJiangxi (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Fuzhou plotted against Jiangxi and China. While Jiangxi and China both followed a zig-zag trend with an overall increase, Fuzhou's new street additions followed a zig-zag trend with an overall increase. Most recently, Fuzhou's incremental SNDi rose from 2.24 to 2.44 between 1991-2005 and 2006-2020. In terms of the aggregate network, Fuzhou ranked 18th out of 82 cities in Jiangxi and 465th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
2.44
Rank in China
480th of 1843
Rank in Jiangxi
24th of 82

Entire Network (Aggregate)

SNDi value
2.34
Rank in China
465th of 1843
Rank in Jiangxi
18th of 82

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

What about similarly populated cities?

1.82.433.6<19751976–19901991–20052006–2020SNDi of street additions
1.82.433.6<19751976–19901991–20052006–2020SNDi of entire street network
FuzhouChangzhiWeihai

In new street additions, Fuzhou and Weihai both fluctuated in its street-construction patterns, while Changzhi built increasingly disconnected streets from 1975 through 1976-1990, then improved. For the full network, Fuzhou and Weihai both became progressively more disconnected, while Changzhi grew more disconnected from 1975 through 1991-2005, then improved. Notably, Fuzhou had a more sprawly network than Weihai in 1975 but the two have since reversed their relative ranking.