Anqing in context: Street-network sprawl trends

Anqing in context

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
AnqingAnhui (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Anqing plotted against Anhui and China. The SNDi of new construction in Anqing followed a zig-zag trend with an overall decrease, 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, Anqing's incremental SNDi fell from 2.13 to 1.61 between 1991-2005 and 2006-2020. In terms of the aggregate network, Anqing ranked 18th out of 74 cities in Anhui and 241st out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
1.61
Rank in China
96th of 1843
Rank in Anhui
11th of 74

Entire Network (Aggregate)

SNDi value
2.01
Rank in China
241st of 1843
Rank in Anhui
18th of 74

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

What about similarly populated cities?

23456<19751976–19901991–20052006–2020SNDi of street additions
23456<19751976–19901991–20052006–2020SNDi of entire street network
AnqingYuyaoHisar

In new street additions, Anqing fluctuated in its street-construction patterns, while Yuyao fluctuated in its street-construction patterns and Hisar built increasingly disconnected streets over time. For the full network, Anqing became progressively more connected, while Yuyao fluctuated in connectivity and Hisar became progressively more disconnected. Anqing and Yuyao have been growing further apart in their street-network character since 1975.