Yingcheng in context: Street-network sprawl trends

Yingcheng in context

2.83.54.2<19751976–19901991–20052006–2020SNDi of street additions
2.83.54.2<19751976–19901991–20052006–2020SNDi of entire street network
YingchengHubei (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Yingcheng plotted against Hubei and China. The SNDi of new construction in Yingcheng peaked in 1976-1990, compared to Hubei which peaked in 1976-1990 and China which followed a zig-zag trend with an overall increase. Most recently, Yingcheng's incremental SNDi fell from 3.32 to 2.88 between 1991-2005 and 2006-2020. In terms of the aggregate network, Yingcheng ranked 40th out of 77 cities in Hubei and 990th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
2.88
Rank in China
798th of 1843
Rank in Hubei
30th of 77

Entire Network (Aggregate)

SNDi value
2.95
Rank in China
990th of 1843
Rank in Hubei
40th of 77

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

What about similarly populated cities?

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
YingchengTakaokaSalamanca

While Takaoka and Salamanca both fluctuated in its street-construction patterns, Yingcheng built increasingly disconnected streets from 1975 through 1976-1990, then improved in new street additions. Looking at the full network, Takaoka and Salamanca both became progressively more disconnected, while Yingcheng grew more disconnected from 1975 through 1991-2005, then improved. Yingcheng and Takaoka have been growing further apart in their street-network character since 1975.