Ganzhou in context: Street-network sprawl trends

Ganzhou in context

3.64.24.8<19751976–19901991–20052006–2020SNDi of street additions
3.64.24.8<19751976–19901991–20052006–2020SNDi of entire street network
GanzhouJiangxi (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Ganzhou plotted against Jiangxi and China. While Jiangxi and China both followed a zig-zag trend with an overall increase, Ganzhou's new street additions followed a zig-zag trend with an overall increase. Most recently, Ganzhou's incremental SNDi rose from 4.5 to 4.69 between 1991-2005 and 2006-2020. In terms of the aggregate network, Ganzhou ranked 77th out of 82 cities in Jiangxi and 1652nd out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
4.69
Rank in China
1575th of 1843
Rank in Jiangxi
76th of 82

Entire Network (Aggregate)

SNDi value
4.47
Rank in China
1652nd of 1843
Rank in Jiangxi
77th of 82

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

What about similarly populated cities?

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
GanzhouOmskMingora

While Omsk and Mingora both built increasingly disconnected streets over time, Ganzhou fluctuated in its street-construction patterns in new street additions. For the full street network, though, all three cities follow the same trend. Notably, Ganzhou had a more sprawly network than Mingora in 1975 but the two have since reversed their relative ranking.