Shanzhou in context: Street-network sprawl trends

Shanzhou in context

2.73.64.5<19751976–19901991–20052006–2020SNDi of street additions
2.73.64.5<19751976–19901991–20052006–2020SNDi of entire street network
ShanzhouHenan (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Shanzhou plotted against Henan and China. While Henan and China both followed a zig-zag trend with an overall increase, Shanzhou's new street additions followed a zig-zag trend with an overall increase. Most recently, Shanzhou's incremental SNDi rose from 2.16 to 3.58 between 1991-2005 and 2006-2020. In terms of the aggregate network, Shanzhou ranked 91st out of 129 cities in Henan and 935th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
3.58
Rank in China
1181st of 1843
Rank in Henan
106th of 129

Entire Network (Aggregate)

SNDi value
2.89
Rank in China
935th of 1843
Rank in Henan
91st of 129

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

What about similarly populated cities?

2.73.64.5<19751976–19901991–20052006–2020SNDi of street additions
2.73.64.5<19751976–19901991–20052006–2020SNDi of entire street network
ShanzhouEmin/DorbiljinYame

In new street additions, Shanzhou fluctuated in its street-construction patterns, while Emin/Dörbiljin fluctuated in its street-construction patterns and Yame built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full network, Shanzhou fluctuated in connectivity, while Emin/Dörbiljin became progressively more connected and Yame became progressively more disconnected. Shanzhou and Emin/Dörbiljin have been converging in their street-network character since 1975.