Tuanfeng in context: Street-network sprawl trends

Tuanfeng in context

2.12.83.54.2<19751976–19901991–20052006–2020SNDi of street additions
2.12.83.54.2<19751976–19901991–20052006–2020SNDi of entire street network
TuanfengHubei (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Tuanfeng plotted against Hubei and China. While Hubei and China both followed a zig-zag trend with an overall increase, Tuanfeng's new street additions followed a zig-zag trend with an overall increase. Most recently, Tuanfeng's incremental SNDi rose from 2.4 to 2.47 between 1991-2005 and 2006-2020. In terms of the aggregate network, Tuanfeng ranked 19th out of 77 cities in Hubei and 535th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
2.47
Rank in China
496th of 1843
Rank in Hubei
20th of 77

Entire Network (Aggregate)

SNDi value
2.44
Rank in China
535th of 1843
Rank in Hubei
19th of 77

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
TuanfengMinusinskPalaw

In new street additions, Tuanfeng fluctuated in its street-construction patterns, while Minusinsk built increasingly disconnected streets from 1975 through 1991-2005, then improved and Palaw built increasingly disconnected streets over time. Looking at the full network, Minusinsk and Palaw both became progressively more disconnected, while Tuanfeng fluctuated in connectivity. Tuanfeng and Minusinsk have been converging in their street-network character since 1975.