Yingkou in context: Street-network sprawl trends

Yingkou in context

2345<19751976–19901991–20052006–2020SNDi of street additions
2345<19751976–19901991–20052006–2020SNDi of entire street network
YingkouHunan (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Yingkou plotted against Hunan and China. The SNDi of new construction in Yingkou 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, Yingkou's incremental SNDi fell from 2.82 to 2.02 between 1991-2005 and 2006-2020. In terms of the aggregate network, Yingkou ranked 27th out of 89 cities in Hunan and 568th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
2.02
Rank in China
256th of 1843
Rank in Hunan
17th of 89

Entire Network (Aggregate)

SNDi value
2.48
Rank in China
568th of 1843
Rank in Hunan
27th of 89

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

What about similarly populated cities?

234567<19751976–19901991–20052006–2020SNDi of street additions
234567<19751976–19901991–20052006–2020SNDi of entire street network
YingkouKandaharSiliguri

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