Qinyang in context: Street-network sprawl trends

Qinyang in context

2.433.64.2<19751976–19901991–20052006–2020SNDi of street additions
2.433.64.2<19751976–19901991–20052006–2020SNDi of entire street network
QinyangHenan (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Qinyang plotted against Henan and China. While Henan and China both followed a zig-zag trend with an overall increase, Qinyang's new street additions followed a zig-zag trend with an overall increase. Most recently, Qinyang's incremental SNDi rose from 2.5 to 2.74 between 1991-2005 and 2006-2020. In terms of the aggregate network, Qinyang ranked 76th out of 129 cities in Henan and 760th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
2.74
Rank in China
688th of 1843
Rank in Henan
80th of 129

Entire Network (Aggregate)

SNDi value
2.7
Rank in China
760th of 1843
Rank in Henan
76th of 129

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

What about similarly populated cities?

2468<19751976–19901991–20052006–2020SNDi of street additions
2468<19751976–19901991–20052006–2020SNDi of entire street network
QinyangTuraLalibela

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