Jinsha in context: Street-network sprawl trends

Jinsha in context

3.244.85.6<19751976–19901991–20052006–2020SNDi of street additions
3.244.85.6<19751976–19901991–20052006–2020SNDi of entire street network
JinshaGuizhou (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Jinsha plotted against Guizhou and China. While Guizhou and China both followed a zig-zag trend with an overall increase, Jinsha's new street additions followed a zig-zag trend with an overall increase. Most recently, Jinsha's incremental SNDi rose from 4.02 to 5.11 between 1991-2005 and 2006-2020. In terms of the aggregate network, Jinsha ranked 34th out of 41 cities in Guizhou and 1662nd out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
5.11
Rank in China
1655th of 1843
Rank in Guizhou
35th of 41

Entire Network (Aggregate)

SNDi value
4.54
Rank in China
1662nd of 1843
Rank in Guizhou
34th of 41

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
JinshaAnhuaObninsk

In new street additions, Jinsha and Anhua both fluctuated in its street-construction patterns, while Obninsk fluctuated in its street-construction patterns. For the full network, Jinsha and Anhua both fluctuated in connectivity, while Obninsk fluctuated in connectivity. Notably, Jinsha had a more sprawly network than Anhua in 1975 but the two have since reversed their relative ranking.