Xundian in context: Street-network sprawl trends

Xundian in context

2345<19751976–19901991–20052006–2020SNDi of street additions
2345<19751976–19901991–20052006–2020SNDi of entire street network
XundianYunnan (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Xundian plotted against Yunnan and China. The SNDi of new construction in Xundian followed a zig-zag trend with an overall increase, compared to Yunnan which followed a zig-zag trend with an overall increase and China which followed a zig-zag trend with an overall increase. Most recently, Xundian's incremental SNDi fell from 3.1 to 2.59 between 1991-2005 and 2006-2020. In terms of the aggregate network, Xundian ranked 26th out of 78 cities in Yunnan and 692nd out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
2.59
Rank in China
580th of 1843
Rank in Yunnan
24th of 78

Entire Network (Aggregate)

SNDi value
2.64
Rank in China
692nd of 1843
Rank in Yunnan
26th of 78

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
XundianAngrenPasir Pengaraian

While Angren and Pasir Pengaraian both fluctuated in its street-construction patterns, Xundian fluctuated in its street-construction patterns in new street additions. For the full network, Xundian fluctuated in connectivity, while Angren fluctuated in connectivity and Pasir Pengaraian became progressively more disconnected. Notably, Xundian had a more sprawly network than Pasir Pengaraian in 1975 but the two have since reversed their relative ranking.