Longzhou in context: Street-network sprawl trends

Longzhou in context

33.64.24.8<19751976–19901991–20052006–2020SNDi of street additions
33.64.24.8<19751976–19901991–20052006–2020SNDi of entire street network
LongzhouGuangxi (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Longzhou plotted against Guangxi and China. The SNDi of new construction in Longzhou peaked in 1991-2005, compared to Guangxi which followed a zig-zag trend with an overall increase and China which followed a zig-zag trend with an overall increase. Most recently, Longzhou's incremental SNDi fell from 4.38 to 3.21 between 1991-2005 and 2006-2020. In terms of the aggregate network, Longzhou ranked 46th out of 63 cities in Guangxi and 1353rd out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
3.21
Rank in China
1011th of 1843
Rank in Guangxi
26th of 63

Entire Network (Aggregate)

SNDi value
3.47
Rank in China
1353rd of 1843
Rank in Guangxi
46th of 63

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

What about similarly populated cities?

2.12.83.54.2<19751976–19901991–20052006–2020SNDi of street additions
2.12.83.54.2<19751976–19901991–20052006–2020SNDi of entire street network
LongzhouArtyomShibata

In new street additions, Longzhou and Artyom both built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Shibata fluctuated in its street-construction patterns. Looking at the full network, Artyom and Shibata both became progressively more disconnected, while Longzhou grew more disconnected from 1975 through 1991-2005, then improved. Longzhou and Shibata have been growing further apart in their street-network character since 1975.