Yangluo Subdistrict in context: Street-network sprawl trends

Yangluo Subdistrict in context

33.64.24.8<19751976–19901991–20052006–2020SNDi of street additions
33.64.24.8<19751976–19901991–20052006–2020SNDi of entire street network
Yangluo SubdistrictHubei (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Yangluo Subdistrict plotted against Hubei and China. While Hubei and China both followed a zig-zag trend with an overall increase, Yangluo Subdistrict's new street additions followed a zig-zag trend with an overall increase. Most recently, Yangluo Subdistrict's incremental SNDi rose from 2.94 to 3.41 between 1991-2005 and 2006-2020. In terms of the aggregate network, Yangluo Subdistrict ranked 51st out of 77 cities in Hubei and 1190th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
3.41
Rank in China
1110th of 1843
Rank in Hubei
49th of 77

Entire Network (Aggregate)

SNDi value
3.21
Rank in China
1190th of 1843
Rank in Hubei
51st of 77

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

What about similarly populated cities?

1.42.12.83.54.2<19751976–19901991–20052006–2020SNDi of street additions
1.42.12.83.54.2<19751976–19901991–20052006–2020SNDi of entire street network
Yangluo SubdistrictHemetWuhai

In new street additions, Yangluo Subdistrict and Wuhai both fluctuated in its street-construction patterns, while Hemet built increasingly disconnected streets over time. For the full network, Yangluo Subdistrict and Wuhai both fluctuated in connectivity, while Hemet became progressively more disconnected. Yangluo Subdistrict and Hemet have been converging in their street-network character since 1975.