Dengzhou in context: Street-network sprawl trends

Dengzhou 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
DengzhouHenan (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Dengzhou plotted against Henan and China. While Henan and China both followed a zig-zag trend with an overall increase, Dengzhou's new street additions followed a zig-zag trend with an overall increase. Most recently, Dengzhou's incremental SNDi rose from 2.58 to 3.92 between 1991-2005 and 2006-2020. In terms of the aggregate network, Dengzhou ranked 94th out of 129 cities in Henan and 995th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
3.92
Rank in China
1370th of 1843
Rank in Henan
117th of 129

Entire Network (Aggregate)

SNDi value
2.96
Rank in China
995th of 1843
Rank in Henan
94th of 129

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

What about similarly populated cities?

123456<19751976–19901991–20052006–2020SNDi of street additions
123456<19751976–19901991–20052006–2020SNDi of entire street network
DengzhouSuqianEzhou

While Suqian and Ezhou both built increasingly disconnected streets from 1975 through 1976-1990, then improved, Dengzhou fluctuated in its street-construction patterns in new street additions. For the full network, Dengzhou and Suqian both became progressively more disconnected, while Ezhou grew more disconnected from 1975 through 1976-1990, then improved. Dengzhou and Suqian have been growing further apart in their street-network character since 1975.