Shishou in context: Street-network sprawl trends

Shishou in context

1.82.73.64.5<19751976–19901991–20052006–2020SNDi of street additions
1.82.73.64.5<19751976–19901991–20052006–2020SNDi of entire street network
ShishouHubei (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Shishou plotted against Hubei and China. The SNDi of new construction in Shishou peaked in 1991-2005, compared to Hubei which peaked in 1976-1990 and China which followed a zig-zag trend with an overall increase. Most recently, Shishou's incremental SNDi fell from 4.91 to 3.18 between 1991-2005 and 2006-2020. In terms of the aggregate network, Shishou ranked 35th out of 77 cities in Hubei and 899th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
3.18
Rank in China
988th of 1843
Rank in Hubei
40th of 77

Entire Network (Aggregate)

SNDi value
2.85
Rank in China
899th of 1843
Rank in Hubei
35th 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
ShishouSahaswanOsnabruck

In new street additions, Shishou built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Sahaswan fluctuated in its street-construction patterns and Osnabrück fluctuated in its street-construction patterns. For the full network, Shishou and Osnabrück both became progressively more disconnected, while Sahaswan fluctuated in connectivity. Shishou and Osnabrück have been growing further apart in their street-network character since 1975.