Changqi in context: Street-network sprawl trends
Changqi in context
The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Changqi plotted against Guangdong and China. The SNDi of new construction in Changqi peaked in 1991-2005, 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, Changqi's incremental SNDi fell from 4.28 to 4.01 between 1991-2005 and 2006-2020. In terms of the aggregate network, Changqi ranked 99th out of 133 cities in Guangdong and 1567th out of 1843 in China as of 2020.
New Street Additions (2006–2020)
- SNDi value
- 4.01
- Rank in China
- 1407th of 1843
- Rank in Guangdong
- 77th of 133
Entire Network (Aggregate)
- SNDi value
- 4.07
- Rank in China
- 1567th of 1843
- Rank in Guangdong
- 99th of 133
Rankings go from most connected to most disconnected — rank 1 is the most connected.
What about similarly populated cities?
- Itabira, Brazil
- Durbete, Ethiopia
- Suhum, Ghana
- Wanaparthy, India
- O’Fallon, United States
- Santa Barbara, United States
In new street additions, Changqi built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Itabira fluctuated in its street-construction patterns and Wanaparthy built increasingly disconnected streets over time. Looking at the full network, Itabira and Wanaparthy both became progressively more disconnected, while Changqi grew more disconnected from 1975 through 1991-2005, then improved. Changqi and Itabira have been growing further apart in their street-network character since 1975.