Wugang in context: Street-network sprawl trends

Wugang in context

3.54.24.95.6<19751976–19901991–20052006–2020SNDi of street additions
3.54.24.95.6<19751976–19901991–20052006–2020SNDi of entire street network
WugangHunan (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Wugang plotted against Hunan and China. The SNDi of new construction in Wugang peaked in 1976-1990, compared to Hunan which peaked in 1976-1990 and China which followed a zig-zag trend with an overall increase. Most recently, Wugang's incremental SNDi fell from 4.8 to 4.52 between 1991-2005 and 2006-2020. In terms of the aggregate network, Wugang ranked 83rd out of 89 cities in Hunan as of 2020.

New Street Additions (2006–2020)

SNDi value
4.52
Rank in Hunan
79th of 89

Entire Network (Aggregate)

SNDi value
4.52
Rank in Hunan
83rd of 89

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
WugangKipushiUromi

In new street additions, Wugang built increasingly disconnected streets from 1975 through 1976-1990, then improved, while Kipushi built increasingly disconnected streets from 1975 through 1991-2005, then improved and Uromi built increasingly disconnected streets over time. Looking at the full network, Kipushi and Uromi both became progressively more disconnected, while Wugang grew more disconnected from 1975 through 1991-2005, then improved. Wugang and Kipushi have been growing further apart in their street-network character since 1975.