Hukou in context: Street-network sprawl trends

Hukou in context

3.64.24.8<19751976–19901991–20052006–2020SNDi of street additions
3.64.24.8<19751976–19901991–20052006–2020SNDi of entire street network
HukouJiangxi (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Hukou plotted against Jiangxi and China. The SNDi of new construction in Hukou peaked in 1976-1990, compared to Jiangxi which peaked in 1976-1990 and China which followed a zig-zag trend with an overall increase. Most recently, Hukou's incremental SNDi fell from 4.38 to 3.35 between 1991-2005 and 2006-2020. In terms of the aggregate network, Hukou ranked 72nd out of 82 cities in Jiangxi and 1505th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
3.35
Rank in China
1070th of 1843
Rank in Jiangxi
62nd of 82

Entire Network (Aggregate)

SNDi value
3.84
Rank in China
1505th of 1843
Rank in Jiangxi
72nd of 82

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

What about similarly populated cities?

2.83.54.24.9<19751976–19901991–20052006–2020SNDi of street additions
2.83.54.24.9<19751976–19901991–20052006–2020SNDi of entire street network
HukouRahaChangtu

In new street additions, Hukou and Changtu both built increasingly disconnected streets from 1975 through 1976-1990, then improved, while Raha built increasingly disconnected streets over time. For the full network, Hukou and Changtu both grew more disconnected from 1975 through 1991-2005, then improved, while Raha became progressively more disconnected. Hukou and Changtu have been converging in their street-network character since 1975.