Guangning in context: Street-network sprawl trends

Guangning in context

2345<19751976–19901991–20052006–2020SNDi of street additions
2345<19751976–19901991–20052006–2020SNDi of entire street network
GuangningGuangdong (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Guangning plotted against Guangdong and China. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Guangning's incremental SNDi rose from 2.67 to 3.92 between 1991-2005 and 2006-2020. In terms of the aggregate network, Guangning ranked 38th out of 133 cities in Guangdong and 750th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
3.92
Rank in China
1371st of 1843
Rank in Guangdong
75th of 133

Entire Network (Aggregate)

SNDi value
2.69
Rank in China
750th of 1843
Rank in Guangdong
38th of 133

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

What about similarly populated cities?

1.62.43.24<19751976–19901991–20052006–2020SNDi of street additions
1.62.43.24<19751976–19901991–20052006–2020SNDi of entire street network
GuangningPir MahalAl-Zawamel

In new street additions, Guangning fluctuated in its street-construction patterns, while Pir Mahal built increasingly disconnected streets over time and Al-Zawamel built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full network, Guangning and Pir Mahal both became progressively more disconnected, while Al-Zawamel grew more disconnected from 1975 through 1991-2005, then improved. Notably, Guangning had a more connected network than Pir Mahal in 1975 but the two have since reversed their relative ranking.