Honghuagang in context: Street-network sprawl trends

Honghuagang in context

3.544.55<19751976–19901991–20052006–2020SNDi of street additions
3.544.55<19751976–19901991–20052006–2020SNDi of entire street network
HonghuagangGuizhou (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Honghuagang plotted against Guizhou and China. While Guizhou and China both followed a zig-zag trend with an overall increase, Honghuagang's new street additions followed a zig-zag trend with an overall increase. Most recently, Honghuagang's incremental SNDi rose from 4.68 to 4.93 between 1991-2005 and 2006-2020. In terms of the aggregate network, Honghuagang ranked 33rd out of 41 cities in Guizhou and 1613th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
4.93
Rank in China
1622nd of 1843
Rank in Guizhou
34th of 41

Entire Network (Aggregate)

SNDi value
4.25
Rank in China
1613th of 1843
Rank in Guizhou
33rd of 41

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

What about similarly populated cities?

246810<19751976–19901991–20052006–2020SNDi of street additions
246810<19751976–19901991–20052006–2020SNDi of entire street network
HonghuagangKanangaMendoza

In new street additions, Kananga and Mendoza both built increasingly disconnected streets over time, while Honghuagang fluctuated in street-construction patterns. For the full street network, though, all three cities follow the same trend. Notably, Honghuagang had a more sprawly network than Kananga in 1975, but the two have since reversed their relative ranking.