Yunxi in context: Street-network sprawl trends

Yunxi in context

2.43.244.8<19751976–19901991–20052006–2020SNDi of street additions
2.43.244.8<19751976–19901991–20052006–2020SNDi of entire street network
YunxiHubei (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Yunxi plotted against Hubei and China. While Hubei and China both followed a zig-zag trend with an overall increase, Yunxi's new street additions followed a zig-zag trend with an overall increase. Most recently, Yunxi's incremental SNDi rose from 1.93 to 3.19 between 1991-2005 and 2006-2020. In terms of the aggregate network, Yunxi ranked 24th out of 77 cities in Hubei and 664th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
3.19
Rank in China
996th of 1843
Rank in Hubei
42nd of 77

Entire Network (Aggregate)

SNDi value
2.6
Rank in China
664th of 1843
Rank in Hubei
24th of 77

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

What about similarly populated cities?

2345<19751976–19901991–20052006–2020SNDi of street additions
2345<19751976–19901991–20052006–2020SNDi of entire street network
YunxiOngniudLawrence

In new street additions, Yunxi fluctuated in its street-construction patterns, while Ongniud built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns and Lawrence built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full network, Yunxi fluctuated in connectivity, while Ongniud became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards and Lawrence became progressively more disconnected.