Yingshan County in context: Street-network sprawl trends

Yingshan County in context

12345<19751976–19901991–20052006–2020SNDi of street additions
12345<19751976–19901991–20052006–2020SNDi of entire street network
Yingshan CountyHubei (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Yingshan County plotted against Hubei and China. The SNDi of new construction in Yingshan County rose steadily, compared to Hubei which peaked in 1976-1990 and China which followed a zig-zag trend with an overall increase. Most recently, Yingshan County's incremental SNDi rose from 2.12 to 3.02 between 1991-2005 and 2006-2020. In terms of the aggregate network, Yingshan County ranked 9th out of 77 cities in Hubei and 225th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
3.02
Rank in China
897th of 1843
Rank in Hubei
36th of 77

Entire Network (Aggregate)

SNDi value
1.99
Rank in China
225th of 1843
Rank in Hubei
9th of 77

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

What about similarly populated cities?

0.81.62.43.24<19751976–19901991–20052006–2020SNDi of street additions
0.81.62.43.24<19751976–19901991–20052006–2020SNDi of entire street network
Yingshan CountyRuseLagos de Moreno

While Ruse and Lagos de Moreno both fluctuated in its street-construction patterns, Yingshan County built increasingly disconnected streets over time in new street additions. For the full street network, though, all three cities follow the same trend. Notably, Yingshan County had a more connected network than Ruse in 1975 but the two have since reversed their relative ranking.