Huize in context: Street-network sprawl trends

Huize in context

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

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Huize plotted against Yunnan and China. The SNDi of new construction in Huize peaked in 1976-1990, compared to Yunnan which followed a zig-zag trend with an overall increase and China which followed a zig-zag trend with an overall increase. Most recently, Huize's incremental SNDi fell from 4.15 to 3.94 between 1991-2005 and 2006-2020. In terms of the aggregate network, Huize ranked 62nd out of 78 cities in Yunnan and 1541st out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
3.94
Rank in China
1381st of 1843
Rank in Yunnan
57th of 78

Entire Network (Aggregate)

SNDi value
3.98
Rank in China
1541st of 1843
Rank in Yunnan
62nd of 78

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

What about similarly populated cities?

123456<19751976–19901991–20052006–2020SNDi of street additions
123456<19751976–19901991–20052006–2020SNDi of entire street network
HuizeKothamangalamad-Damer

In new street additions, Huize built increasingly disconnected streets from 1975 through 1976-1990, then improved, while Kothamangalam built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns and ad-Damer fluctuated in its street-construction patterns. For the full network, Huize grew more disconnected from 1975 through 1991-2005, then improved, while Kothamangalam became more connected from 1975 through 1991-2005, then grew more sprawly from 1991-2005 onwards and ad-Damer grew more disconnected from 1975 through 1976-1990, then improved. Huize and Kothamangalam have been converging in their street-network character since 1975.