Lengshuijiang in context: Street-network sprawl trends

Lengshuijiang in context

34567<19751976–19901991–20052006–2020SNDi of street additions
34567<19751976–19901991–20052006–2020SNDi of entire street network
LengshuijiangHunan (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Lengshuijiang plotted against Hunan and China. While Hunan and China both followed a zig-zag trend with an overall increase, Lengshuijiang's new street additions followed a zig-zag trend with an overall increase. Most recently, Lengshuijiang's incremental SNDi rose from 4.14 to 6.56 between 1991-2005 and 2006-2020. In terms of the aggregate network, Lengshuijiang ranked 73rd out of 89 cities in Hunan and 1501st out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
6.56
Rank in China
1772nd of 1843
Rank in Hunan
88th of 89

Entire Network (Aggregate)

SNDi value
3.83
Rank in China
1501st of 1843
Rank in Hunan
73rd of 89

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

What about similarly populated cities?

234567<19751976–19901991–20052006–2020SNDi of street additions
234567<19751976–19901991–20052006–2020SNDi of entire street network
LengshuijiangKisarazuMacae

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