Daozhen in context: Street-network sprawl trends
Daozhen in context
The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Daozhen plotted against Guizhou and China. While Guizhou and China both followed a zig-zag trend with an overall increase, Daozhen's new street additions followed a zig-zag trend with an overall decrease. Most recently, Daozhen's incremental SNDi rose from 1.15 to 1.97 between 1991-2005 and 2006-2020. In terms of the aggregate network, Daozhen ranked 16th out of 41 cities in Guizhou and 830th out of 1843 in China as of 2020.
New Street Additions (2006–2020)
- SNDi value
- 1.97
- Rank in China
- 228th of 1843
- Rank in Guizhou
- 4th of 41
Entire Network (Aggregate)
- SNDi value
- 2.78
- Rank in China
- 830th of 1843
- Rank in Guizhou
- 16th of 41
Rankings go from most connected to most disconnected — rank 1 is the most connected.
What about similarly populated cities?
- Medenine, Tunisia
- Chachoengsao, Thailand
- Haluaghat, Bangladesh
- Phú Mỹ, Vietnam
- Tissemsilt, Algeria
- Longmont, United States
In new street additions, Daozhen and Medenine both fluctuated in its street-construction patterns, while Phú Mỹ built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full network, Daozhen grew more disconnected from 1975 through 1976-1990, then improved, while Medenine became progressively more disconnected and Phú Mỹ grew more disconnected from 1975 through 1991-2005, then improved. Daozhen and Medenine have been converging in their street-network character since 1975.