Changzhou in context: Street-network sprawl trends

Changzhou in context

2.12.83.54.2<19751976–19901991–20052006–2020SNDi of street additions
2.12.83.54.2<19751976–19901991–20052006–2020SNDi of entire street network
ChangzhouJiangsu (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Changzhou plotted against Jiangsu and China. While Jiangsu and China both followed a zig-zag trend with an overall increase, Changzhou's new street additions followed a zig-zag trend with an overall increase. Most recently, Changzhou's incremental SNDi rose from 2.22 to 2.46 between 1991-2005 and 2006-2020. In terms of the aggregate network, Changzhou ranked 26th out of 101 cities in Jiangsu and 431st out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
2.46
Rank in China
491st of 1843
Rank in Jiangsu
31st of 101

Entire Network (Aggregate)

SNDi value
2.3
Rank in China
431st of 1843
Rank in Jiangsu
26th of 101

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

What about similarly populated cities?

234567<19751976–19901991–20052006–2020SNDi of street additions
234567<19751976–19901991–20052006–2020SNDi of entire street network
ChangzhouAgraCebu City

Changzhou, Agra, and Cebu City all fluctuated in its street-construction patterns in new street construction. Looking at the full network, Agra and Cebu City both became progressively more disconnected, while Changzhou fluctuated in connectivity.