Donggou in context: Street-network sprawl trends

Donggou in context

1.82.73.64.5<19751976–19901991–20052006–2020SNDi of street additions
1.82.73.64.5<19751976–19901991–20052006–2020SNDi of entire street network
DonggouJiangsu (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Donggou plotted against Jiangsu and China. While Jiangsu and China both followed a zig-zag trend with an overall increase, Donggou's new street additions followed a zig-zag trend with an overall increase. Most recently, Donggou's incremental SNDi rose from 2.0 to 2.45 between 1991-2005 and 2006-2020. In terms of the aggregate network, Donggou ranked 18th out of 101 cities in Jiangsu and 254th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
2.45
Rank in China
485th of 1843
Rank in Jiangsu
30th of 101

Entire Network (Aggregate)

SNDi value
2.04
Rank in China
254th of 1843
Rank in Jiangsu
18th of 101

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

What about similarly populated cities?

23456<19751976–19901991–20052006–2020SNDi of street additions
23456<19751976–19901991–20052006–2020SNDi of entire street network
DonggouJamundiLevittown

In new street additions, Donggou and Jamundí both fluctuated in its street-construction patterns, while Levittown built increasingly disconnected streets over time. For the full network, Donggou and Levittown both became progressively more disconnected, while Jamundí fluctuated in connectivity. Donggou and Jamundí have been growing further apart in their street-network character since 1975.