Nanxi in context: Street-network sprawl trends

Nanxi 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
NanxiSichuan (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Nanxi plotted against Sichuan and China. The SNDi of new construction in Nanxi followed a zig-zag trend with an overall decrease, 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, Nanxi's incremental SNDi fell from 3.05 to 2.79 between 1991-2005 and 2006-2020. In terms of the aggregate network, Nanxi ranked 48th out of 98 cities in Sichuan and 1028th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
2.79
Rank in China
731st of 1843
Rank in Sichuan
32nd of 98

Entire Network (Aggregate)

SNDi value
3.0
Rank in China
1028th of 1843
Rank in Sichuan
48th of 98

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

What about similarly populated cities?

1.82.73.64.5<19751976–19901991–20052006–2020SNDi of street additions
1.82.73.64.5<19751976–19901991–20052006–2020SNDi of entire street network
NanxiJacmelBotosani

While Jacmel and Botoșani both built increasingly disconnected streets over time, Nanxi fluctuated in its street-construction patterns in new street additions. Looking at the full network, Jacmel and Botoșani both became progressively more disconnected, while Nanxi fluctuated in connectivity. Notably, Nanxi had a more sprawly network than Jacmel in 1975 but the two have since reversed their relative ranking.