Bozhou in context: Street-network sprawl trends

Bozhou in context

2.43.244.8<19751976–19901991–20052006–2020SNDi of street additions
2.43.244.8<19751976–19901991–20052006–2020SNDi of entire street network
BozhouGuizhou (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Bozhou plotted against Guizhou and China. While Guizhou and China both followed a zig-zag trend with an overall increase, Bozhou's new street additions followed a zig-zag trend with an overall increase. Most recently, Bozhou's incremental SNDi rose from 2.34 to 3.04 between 1991-2005 and 2006-2020. In terms of the aggregate network, Bozhou ranked 15th out of 41 cities in Guizhou and 708th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
3.04
Rank in China
905th of 1843
Rank in Guizhou
15th of 41

Entire Network (Aggregate)

SNDi value
2.65
Rank in China
708th of 1843
Rank in Guizhou
15th of 41

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

What about similarly populated cities?

2.73.64.5<19751976–19901991–20052006–2020SNDi of street additions
2.73.64.5<19751976–19901991–20052006–2020SNDi of entire street network
BozhouNgoziPort Saint Lucie

In new street additions, Bozhou and Ngozi both fluctuated in its street-construction patterns, while Port Saint Lucie built increasingly disconnected streets over time. Looking at the full network, Ngozi and Port Saint Lucie both became progressively more disconnected, while Bozhou fluctuated in connectivity. Bozhou and Ngozi have been growing further apart in their street-network character since 1975.