Yuanqu in context: Street-network sprawl trends
Yuanqu in context
The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Yuanqu plotted against Shanxi and China. The SNDi of new construction in Yuanqu peaked in 1991-2005, compared to Shanxi which followed a zig-zag trend with an overall increase and China which followed a zig-zag trend with an overall increase. Most recently, Yuanqu's incremental SNDi fell from 1.99 to 1.09 between 1991-2005 and 2006-2020. In terms of the aggregate network, Yuanqu ranked 2nd out of 80 cities in Shanxi and 56th out of 1843 in China as of 2020.
New Street Additions (2006–2020)
- SNDi value
- 1.09
- Rank in China
- 18th of 1843
- Rank in Shanxi
- 2nd of 80
Entire Network (Aggregate)
- SNDi value
- 1.55
- Rank in China
- 56th of 1843
- Rank in Shanxi
- 2nd of 80
Rankings go from most connected to most disconnected — rank 1 is the most connected.
What about similarly populated cities?
In new street additions, Yuanqu built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Fianga fluctuated in its street-construction patterns and Lingxi built increasingly connected streets over time. For the full network, Yuanqu grew more disconnected from 1975 through 1991-2005, then improved, while Fianga grew more disconnected from 1975 through 1976-1990, then improved and Lingxi became progressively more connected. Yuanqu and Fianga have been growing further apart in their street-network character since 1975.