Xuanhan in context: Street-network sprawl trends

Xuanhan 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
XuanhanSichuan (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Xuanhan plotted against Sichuan and China. The SNDi of new construction in Xuanhan followed a zig-zag trend with an overall increase, compared to Sichuan which followed a zig-zag trend with an overall increase and China which followed a zig-zag trend with an overall increase. Most recently, Xuanhan's incremental SNDi fell from 4.54 to 3.59 between 1991-2005 and 2006-2020. In terms of the aggregate network, Xuanhan ranked 65th out of 98 cities in Sichuan and 1415th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
3.59
Rank in China
1188th of 1843
Rank in Sichuan
59th of 98

Entire Network (Aggregate)

SNDi value
3.59
Rank in China
1415th of 1843
Rank in Sichuan
65th of 98

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
XuanhanLuchuanChangting

In new street additions, Xuanhan fluctuated in its street-construction patterns, while Luchuan built increasingly disconnected streets over time and Changting built increasingly connected streets from 1975 through 1991-2005, then shifted to more disconnected patterns. For the full network, Xuanhan fluctuated in connectivity, while Luchuan became progressively more disconnected and Changting became more connected from 1975 through 1991-2005, then grew more sprawly from 1991-2005 onwards. Xuanhan and Luchuan have been converging in their street-network character since 1975.