Wuhu in context: Street-network sprawl trends

Wuhu in context

33.544.5<19751976–19901991–20052006–2020SNDi of street additions
33.544.5<19751976–19901991–20052006–2020SNDi of entire street network
WuhuAnhui (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Wuhu plotted against Anhui and China. The SNDi of new construction in Wuhu 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, Wuhu's incremental SNDi fell from 3.13 to 2.77 between 1991-2005 and 2006-2020. In terms of the aggregate network, Wuhu ranked 55th out of 74 cities in Anhui and 1091st out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
2.77
Rank in China
707th of 1843
Rank in Anhui
40th of 74

Entire Network (Aggregate)

SNDi value
3.08
Rank in China
1091st of 1843
Rank in Anhui
55th of 74

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

What about similarly populated cities?

1.21.82.43<19751976–19901991–20052006–2020SNDi of street additions
1.21.82.43<19751976–19901991–20052006–2020SNDi of entire street network
WuhuBrusselsN'Djamena

In new street additions, Wuhu built increasingly connected streets over time, while Brussels built increasingly disconnected streets from 1975 through 1991-2005, then improved and N'Djamena fluctuated in its street-construction patterns. Looking at the full network, Brussels and N'Djamena both became progressively more disconnected, while Wuhu fluctuated in connectivity.