Suiping in context: Street-network sprawl trends

Suiping in context

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

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Suiping plotted against Henan and China. While Henan and China both followed a zig-zag trend with an overall increase, Suiping's new street additions followed a zig-zag trend with an overall increase. Most recently, Suiping's incremental SNDi rose from 3.08 to 3.83 between 1991-2005 and 2006-2020. In terms of the aggregate network, Suiping ranked 117th out of 129 cities in Henan and 1294th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
3.83
Rank in China
1320th of 1843
Rank in Henan
114th of 129

Entire Network (Aggregate)

SNDi value
3.38
Rank in China
1294th of 1843
Rank in Henan
117th of 129

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

What about similarly populated cities?

1.62.43.24<19751976–19901991–20052006–2020SNDi of street additions
1.62.43.24<19751976–19901991–20052006–2020SNDi of entire street network
SuipingDeqingSuruc

In new street additions, Suiping fluctuated in its street-construction patterns, while Deqing built increasingly connected streets from 1975 through 1991-2005, then shifted to more disconnected patterns and Suruç built increasingly disconnected streets over time. For the full network, Suiping fluctuated in connectivity, while Deqing became more connected from 1975 through 1991-2005, then grew more sprawly from 1991-2005 onwards and Suruç became progressively more disconnected. Suiping and Deqing have been growing further apart in their street-network character since 1975.