Boluo in context: Street-network sprawl trends

Boluo in context

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

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Boluo plotted against Guangdong and China. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Boluo's incremental SNDi rose from 1.68 to 2.39 between 1991-2005 and 2006-2020. In terms of the aggregate network, Boluo ranked 6th out of 133 cities in Guangdong and 162nd out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
2.39
Rank in China
449th of 1843
Rank in Guangdong
18th of 133

Entire Network (Aggregate)

SNDi value
1.88
Rank in China
162nd of 1843
Rank in Guangdong
6th of 133

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

What about similarly populated cities?

36912<19751976–19901991–20052006–2020SNDi of street additions
36912<19751976–19901991–20052006–2020SNDi of entire street network
BoluoMadanapalleGejiu

In new street additions, Boluo and Madanapalle both fluctuated in its street-construction patterns, while Gejiu built increasingly disconnected streets over time. For the full network, Boluo and Gejiu both became progressively more disconnected, while Madanapalle fluctuated in connectivity. Boluo and Gejiu have been growing further apart in their street-network character since 1975.