Zhenping in context: Street-network sprawl trends

Zhenping in context

1234<19751976–19901991–20052006–2020SNDi of street additions
1234<19751976–19901991–20052006–2020SNDi of entire street network
ZhenpingHenan (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Zhenping plotted against Henan and China. While Henan and China both followed a zig-zag trend with an overall increase, Zhenping's new street additions followed a zig-zag trend with an overall increase. Most recently, Zhenping's incremental SNDi rose from 1.99 to 2.81 between 1991-2005 and 2006-2020. In terms of the aggregate network, Zhenping ranked 34th out of 129 cities in Henan and 211th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
2.81
Rank in China
749th of 1843
Rank in Henan
85th of 129

Entire Network (Aggregate)

SNDi value
1.96
Rank in China
211th of 1843
Rank in Henan
34th of 129

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

What about similarly populated cities?

1.42.12.83.5<19751976–19901991–20052006–2020SNDi of street additions
1.42.12.83.5<19751976–19901991–20052006–2020SNDi of entire street network
ZhenpingAngersCiudad Ojeda

In new street additions, Zhenping and Ciudad Ojeda both fluctuated in its street-construction patterns, while Angers built increasingly disconnected streets from 1975 through 1976-1990, then improved. For the full network, Zhenping and Ciudad Ojeda both became progressively more disconnected, while Angers grew more disconnected from 1975 through 1991-2005, then improved. Zhenping and Angers have been converging in their street-network character since 1975.