Shaodong in context: Street-network sprawl trends

Shaodong in context

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

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Shaodong plotted against Hunan and China. While Hunan and China both followed a zig-zag trend with an overall increase, Shaodong's new street additions followed a zig-zag trend with an overall increase. Most recently, Shaodong's incremental SNDi rose from 1.25 to 3.38 between 1991-2005 and 2006-2020. In terms of the aggregate network, Shaodong ranked 3rd out of 89 cities in Hunan and 88th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
3.38
Rank in China
1098th of 1843
Rank in Hunan
58th of 89

Entire Network (Aggregate)

SNDi value
1.67
Rank in China
88th of 1843
Rank in Hunan
3rd of 89

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

What about similarly populated cities?

12345<19751976–19901991–20052006–2020SNDi of street additions
12345<19751976–19901991–20052006–2020SNDi of entire street network
ShaodongGongzhulingMouping

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