Xiangshan in context: Street-network sprawl trends

Xiangshan in context

1.62.43.24<19751976–19901991–20052006–2020SNDi of street additions
1.62.43.24<19751976–19901991–20052006–2020SNDi of entire street network
XiangshanAnhui (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Xiangshan plotted against Anhui and China. The SNDi of new construction in Xiangshan fell steadily, compared to Anhui which followed a zig-zag trend with an overall increase and China which followed a zig-zag trend with an overall increase. Most recently, Xiangshan's incremental SNDi fell from 2.37 to 1.9 between 1991-2005 and 2006-2020. In terms of the aggregate network, Xiangshan ranked 40th out of 74 cities in Anhui and 676th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
1.9
Rank in China
200th of 1843
Rank in Anhui
18th of 74

Entire Network (Aggregate)

SNDi value
2.62
Rank in China
676th of 1843
Rank in Anhui
40th of 74

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

What about similarly populated cities?

2468<19751976–19901991–20052006–2020SNDi of street additions
2468<19751976–19901991–20052006–2020SNDi of entire street network
XiangshanWabagMount Annan

While Wabag and Mount Annan both fluctuated in its street-construction patterns, Xiangshan built increasingly connected streets over time in new street additions. For the full network, Xiangshan and Mount Annan both became progressively more connected, while Wabag became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards. Xiangshan and Wabag have been growing further apart in their street-network character since 1975.