Luchuan in context: Street-network sprawl trends

Luchuan in context

123456<19751976–19901991–20052006–2020SNDi of street additions
123456<19751976–19901991–20052006–2020SNDi of entire street network
LuchuanGuangxi (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Luchuan plotted against Guangxi and China. The SNDi of new construction in Luchuan rose steadily, 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, Luchuan's incremental SNDi rose from 3.36 to 5.6 between 1991-2005 and 2006-2020. In terms of the aggregate network, Luchuan ranked 36th out of 63 cities in Guangxi and 1188th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
5.6
Rank in China
1714th of 1843
Rank in Guangxi
57th of 63

Entire Network (Aggregate)

SNDi value
3.21
Rank in China
1188th of 1843
Rank in Guangxi
36th of 63

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

What about similarly populated cities?

123456<19751976–19901991–20052006–2020SNDi of street additions
123456<19751976–19901991–20052006–2020SNDi of entire street network
LuchuanPanjgurXuanhan

In new street additions, Luchuan built increasingly disconnected streets over time, while Panjgur fluctuated in its street-construction patterns and Xuanhan fluctuated in its street-construction patterns. For the full network, Luchuan became progressively more disconnected, while Panjgur fluctuated in connectivity and Xuanhan fluctuated in connectivity. Luchuan and Panjgur have been converging in their street-network character since 1975.