Oucun in context: Street-network sprawl trends

Oucun 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
OucunGuangdong (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Oucun plotted against Guangdong and China. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Oucun's incremental SNDi rose from 2.29 to 3.4 between 1991-2005 and 2006-2020. In terms of the aggregate network, Oucun ranked 52nd out of 133 cities in Guangdong and 964th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
3.4
Rank in China
1108th of 1843
Rank in Guangdong
50th of 133

Entire Network (Aggregate)

SNDi value
2.92
Rank in China
964th of 1843
Rank in Guangdong
52nd of 133

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

What about similarly populated cities?

2468<19751976–19901991–20052006–2020SNDi of street additions
2468<19751976–19901991–20052006–2020SNDi of entire street network
OucunRajbariBorujerd

In new street additions, Oucun and Rajbari both fluctuated in its street-construction patterns, while Borujerd built increasingly disconnected streets over time. For the full network, Oucun fluctuated in connectivity, while Rajbari became progressively more disconnected and Borujerd became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards. Oucun and Rajbari have been growing further apart in their street-network character since 1975.