Qingzhen in context: Street-network sprawl trends

Qingzhen in context

2345<19751976–19901991–20052006–2020SNDi of street additions
2345<19751976–19901991–20052006–2020SNDi of entire street network
QingzhenGuizhou (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Qingzhen plotted against Guizhou and China. While Guizhou and China both followed a zig-zag trend with an overall increase, Qingzhen's new street additions followed a zig-zag trend with an overall increase. Most recently, Qingzhen's incremental SNDi rose from 1.98 to 3.05 between 1991-2005 and 2006-2020. In terms of the aggregate network, Qingzhen ranked 10th out of 41 cities in Guizhou and 440th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
3.05
Rank in China
918th of 1843
Rank in Guizhou
16th of 41

Entire Network (Aggregate)

SNDi value
2.3
Rank in China
440th of 1843
Rank in Guizhou
10th of 41

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

What about similarly populated cities?

246<19751976–19901991–20052006–2020SNDi of street additions
246<19751976–19901991–20052006–2020SNDi of entire street network
QingzhenKoksanRasipuram

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