Anren in context: Street-network sprawl trends

Anren in context

2.43.244.8<19751976–19901991–20052006–2020SNDi of street additions
2.43.244.8<19751976–19901991–20052006–2020SNDi of entire street network
AnrenHunan (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Anren plotted against Hunan and China. While Hunan and China both followed a zig-zag trend with an overall increase, Anren's new street additions followed a zig-zag trend with an overall increase. Most recently, Anren's incremental SNDi rose from 3.42 to 3.97 between 1991-2005 and 2006-2020. In terms of the aggregate network, Anren ranked 55th out of 89 cities in Hunan and 1242nd out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
3.97
Rank in China
1388th of 1843
Rank in Hunan
72nd of 89

Entire Network (Aggregate)

SNDi value
3.29
Rank in China
1242nd of 1843
Rank in Hunan
55th of 89

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

What about similarly populated cities?

2468<19751976–19901991–20052006–2020SNDi of street additions
2468<19751976–19901991–20052006–2020SNDi of entire street network
AnrenTongaatKryzhanivka

While Tongaat and Kryzhanivka both built increasingly disconnected streets over time, Anren fluctuated in its street-construction patterns in new street additions. For the full street network, though, all three cities follow the same trend. Anren and Tongaat have been growing further apart in their street-network character since 1975.