Shancheng in context: Street-network sprawl trends

Shancheng in context

33.544.5<19751976–19901991–20052006–2020SNDi of street additions
33.544.5<19751976–19901991–20052006–2020SNDi of entire street network
ShanchengHenan (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Shancheng plotted against Henan and China. While Henan and China both followed a zig-zag trend with an overall increase, Shancheng's new street additions followed a zig-zag trend with an overall increase. Most recently, Shancheng's incremental SNDi rose from 3.55 to 3.76 between 1991-2005 and 2006-2020. In terms of the aggregate network, Shancheng ranked 101st out of 129 cities in Henan and 1053rd out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
3.76
Rank in China
1288th of 1843
Rank in Henan
112th of 129

Entire Network (Aggregate)

SNDi value
3.03
Rank in China
1053rd of 1843
Rank in Henan
101st of 129

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

What about similarly populated cities?

468<19751976–19901991–20052006–2020SNDi of street additions
468<19751976–19901991–20052006–2020SNDi of entire street network
ShanchengJishouAkbarpur

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