Haojiang in context: Street-network sprawl trends

Haojiang in context

3.54.24.95.6<19751976–19901991–20052006–2020SNDi of street additions
3.54.24.95.6<19751976–19901991–20052006–2020SNDi of entire street network
HaojiangGuangdong (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Haojiang plotted against Guangdong and China. The SNDi of new construction in Haojiang peaked in 1976-1990, compared to Guangdong which followed a zig-zag trend with an overall increase and China which followed a zig-zag trend with an overall increase. Most recently, Haojiang's incremental SNDi fell from 5.07 to 3.9 between 1991-2005 and 2006-2020. In terms of the aggregate network, Haojiang ranked 113th out of 133 cities in Guangdong and 1703rd out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
3.9
Rank in China
1359th of 1843
Rank in Guangdong
74th of 133

Entire Network (Aggregate)

SNDi value
4.82
Rank in China
1703rd of 1843
Rank in Guangdong
113th of 133

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
HaojiangBindkiBaffa

In new street additions, Haojiang and Bindki both built increasingly disconnected streets from 1975 through 1976-1990, then improved, while Baffa fluctuated in its street-construction patterns. For the full network, Haojiang and Bindki both grew more disconnected from 1975 through 1991-2005, then improved, while Baffa became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards.