Doumen in context: Street-network sprawl trends

Doumen 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
DoumenGuangdong (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Doumen plotted against Guangdong and China. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Doumen's incremental SNDi rose from 3.27 to 3.83 between 1991-2005 and 2006-2020. In terms of the aggregate network, Doumen ranked 72nd out of 133 cities in Guangdong and 1252nd out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
3.83
Rank in China
1322nd of 1843
Rank in Guangdong
71st of 133

Entire Network (Aggregate)

SNDi value
3.3
Rank in China
1252nd of 1843
Rank in Guangdong
72nd of 133

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

What about similarly populated cities?

369<19751976–19901991–20052006–2020SNDi of street additions
369<19751976–19901991–20052006–2020SNDi of entire street network
DoumenFrancevilleParana

In new street additions, Doumen and Paraná both fluctuated in its street-construction patterns, while Franceville built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full street network, though, all three cities follow the same trend.