Guoyang in context: Street-network sprawl trends
Guoyang in context
The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Guoyang plotted against Anhui and China. The SNDi of new construction in Guoyang peaked in 1991-2005, compared to Anhui which followed a zig-zag trend with an overall increase and China which followed a zig-zag trend with an overall increase. Most recently, Guoyang's incremental SNDi fell from 2.85 to 1.65 between 1991-2005 and 2006-2020. In terms of the aggregate network, Guoyang ranked 14th out of 74 cities in Anhui and 203rd out of 1843 in China as of 2020.
New Street Additions (2006–2020)
- SNDi value
- 1.65
- Rank in China
- 102nd of 1843
- Rank in Anhui
- 13th of 74
Entire Network (Aggregate)
- SNDi value
- 1.95
- Rank in China
- 203rd of 1843
- Rank in Anhui
- 14th of 74
Rankings go from most connected to most disconnected — rank 1 is the most connected.
What about similarly populated cities?
- Dong, China
- Malerkotla, India
- Norcross, United States
- Geelong, Australia
- Rawang, Malaysia
- Debre Birhan, Ethiopia
In new street additions, Guoyang and Geelong both built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Dong fluctuated in its street-construction patterns. For the full network, Guoyang grew more disconnected from 1975 through 1991-2005, then improved, while Dong fluctuated in connectivity and Geelong became progressively more disconnected.