Dabu in context: Street-network sprawl trends
Dabu in context
The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Dabu plotted against Guangdong and China. The SNDi of new construction in Dabu rose steadily, compared to Guangdong which followed a zig-zag trend with an overall increase and China which followed a zig-zag trend with an overall increase. Most recently, Dabu's incremental SNDi rose from 8.89 to 14.3 between 1991-2005 and 2006-2020. In terms of the aggregate network, Dabu ranked 132nd out of 133 cities in Guangdong and 1838th out of 1843 in China as of 2020.
New Street Additions (2006–2020)
- SNDi value
- 14.3
- Rank in China
- 1839th of 1843
- Rank in Guangdong
- 133rd of 133
Entire Network (Aggregate)
- SNDi value
- 8.87
- Rank in China
- 1838th of 1843
- Rank in Guangdong
- 132nd of 133
Rankings go from most connected to most disconnected — rank 1 is the most connected.
What about similarly populated cities?
- Làng Giao, Vietnam
- Kroonstad, South Africa
- Ouanaminthe, Haiti
- Ferrara, Italy
- Ocotlán, México
- Davenport, United States
In new street additions, Dabu and Làng Giao both built increasingly disconnected streets over time, while Ferrara built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full street network, though, all three cities follow the same trend.