Huaxi in context: Street-network sprawl trends

Huaxi in context

3456<19751976–19901991–20052006–2020SNDi of street additions
3456<19751976–19901991–20052006–2020SNDi of entire street network
HuaxiGuizhou (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Huaxi plotted against Guizhou and China. The SNDi of new construction in Huaxi peaked in 1976-1990, compared to Guizhou which peaked in 1976-1990 and China which followed a zig-zag trend with an overall increase. Most recently, Huaxi's incremental SNDi fell from 4.36 to 3.3 between 1991-2005 and 2006-2020. In terms of the aggregate network, Huaxi ranked 32nd out of 41 cities in Guizhou and 1612th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
3.3
Rank in China
1049th of 1843
Rank in Guizhou
21st of 41

Entire Network (Aggregate)

SNDi value
4.25
Rank in China
1612th of 1843
Rank in Guizhou
32nd of 41

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

What about similarly populated cities?

345678<19751976–19901991–20052006–2020SNDi of street additions
345678<19751976–19901991–20052006–2020SNDi of entire street network
HuaxiKazanli Mah.Neem Ka Thana

In new street additions, Huaxi built increasingly disconnected streets from 1975 through 1976-1990, then improved, while Kazanlı Mah. fluctuated in its street-construction patterns and Neem Ka Thana built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns. For the full network, Huaxi grew more disconnected from 1975 through 1976-1990, then improved, while Kazanlı Mah. fluctuated in connectivity and Neem Ka Thana became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards. Notably, Huaxi had a more sprawly network than Kazanlı Mah. in 1975 but the two have since reversed their relative ranking.