Anjiang in context: Street-network sprawl trends

Anjiang in context

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

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Anjiang plotted against Hunan and China. While Hunan and China both followed a zig-zag trend with an overall increase, Anjiang's new street additions followed a zig-zag trend with an overall increase. Most recently, Anjiang's incremental SNDi rose from 5.6 to 5.95 between 1991-2005 and 2006-2020. In terms of the aggregate network, Anjiang ranked 81st out of 89 cities in Hunan and 1624th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
5.95
Rank in China
1737th of 1843
Rank in Hunan
87th of 89

Entire Network (Aggregate)

SNDi value
4.3
Rank in China
1624th of 1843
Rank in Hunan
81st of 89

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

What about similarly populated cities?

23456<19751976–19901991–20052006–2020SNDi of street additions
23456<19751976–19901991–20052006–2020SNDi of entire street network
AnjiangKirikhanAhuachapan

Anjiang, Kırıkhan, and Ahuachapan all fluctuated in its street-construction patterns in new street construction. The same pattern holds for the full street network. Notably, Anjiang had a more connected network than Ahuachapan in 1975 but the two have since reversed their relative ranking.