Dianbai in context: Street-network sprawl trends

Dianbai in context

1.82.73.64.5<19751976–19901991–20052006–2020SNDi of street additions
1.82.73.64.5<19751976–19901991–20052006–2020SNDi of entire street network
DianbaiGuangdong (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Dianbai plotted against Guangdong and China. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Dianbai's incremental SNDi rose from 2.1 to 2.77 between 1991-2005 and 2006-2020. In terms of the aggregate network, Dianbai ranked 15th out of 133 cities in Guangdong and 343rd out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
2.77
Rank in China
708th of 1843
Rank in Guangdong
27th of 133

Entire Network (Aggregate)

SNDi value
2.18
Rank in China
343rd of 1843
Rank in Guangdong
15th of 133

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

What about similarly populated cities?

2.433.6<19751976–19901991–20052006–2020SNDi of street additions
2.433.6<19751976–19901991–20052006–2020SNDi of entire street network
DianbaiKaraKalgachia

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