Erdaojiang in context: Street-network sprawl trends
Erdaojiang in context
The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Erdaojiang plotted against Jilin and China. While Jilin and China both followed a zig-zag trend with an overall increase, Erdaojiang's new street additions followed a zig-zag trend with an overall increase. Most recently, Erdaojiang's incremental SNDi rose from 3.32 to 5.77 between 1991-2005 and 2006-2020. In terms of the aggregate network, Erdaojiang ranked 34th out of 47 cities in Jilin and 1288th out of 1843 in China as of 2020.
New Street Additions (2006–2020)
- SNDi value
- 5.77
- Rank in China
- 1725th of 1843
- Rank in Jilin
- 42nd of 47
Entire Network (Aggregate)
- SNDi value
- 3.37
- Rank in China
- 1288th of 1843
- Rank in Jilin
- 34th of 47
Rankings go from most connected to most disconnected — rank 1 is the most connected.
What about similarly populated cities?
- Villanueva, Honduras
- Alamata, Ethiopia
- Kraksaan, Indonesia
- Sanghar, Pakistan
- Jalapa, Guatemala
- Wangjiazhai, China
In new street additions, Erdaojiang and Villanueva both fluctuated in its street-construction patterns, while Sanghar built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full network, Erdaojiang fluctuated in connectivity, while Villanueva became progressively more disconnected and Sanghar grew more disconnected from 1975 through 1991-2005, then improved. Erdaojiang and Villanueva have been converging in their street-network character since 1975.