Harqin Zuoyi in context: Street-network sprawl trends
Harqin Zuoyi in context
The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Harqin Zuoyi plotted against Liaoning and China. The SNDi of new construction in Harqin Zuoyi peaked in 1976-1990, compared to Liaoning which followed a zig-zag trend with an overall increase and China which followed a zig-zag trend with an overall increase. Most recently, Harqin Zuoyi's incremental SNDi fell from 2.11 to 1.94 between 1991-2005 and 2006-2020. In terms of the aggregate network, Harqin Zuoyi ranked 8th out of 61 cities in Liaoning and 149th out of 1843 in China as of 2020.
New Street Additions (2006–2020)
- SNDi value
- 1.94
- Rank in China
- 222nd of 1843
- Rank in Liaoning
- 13th of 61
Entire Network (Aggregate)
- SNDi value
- 1.85
- Rank in China
- 149th of 1843
- Rank in Liaoning
- 8th of 61
Rankings go from most connected to most disconnected — rank 1 is the most connected.
What about similarly populated cities?
In new street additions, Harqin Zuoyi built increasingly disconnected streets from 1975 through 1976-1990, then improved, while Terrebonne built increasingly disconnected streets over time and Korutla fluctuated in its street-construction patterns. Looking at the full network, Terrebonne and Korutla both became progressively more disconnected, while Harqin Zuoyi grew more disconnected from 1975 through 1991-2005, then improved. Notably, Harqin Zuoyi had a more sprawly network than Korutla in 1975 but the two have since reversed their relative ranking.