Luancheng in context: Street-network sprawl trends
Luancheng in context
The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Luancheng plotted against Hebei and China. The SNDi of new construction in Luancheng peaked in 1976-1990, compared to Hebei which followed a zig-zag trend with an overall increase and China which followed a zig-zag trend with an overall increase. Most recently, Luancheng's incremental SNDi fell from 3.07 to 2.59 between 1991-2005 and 2006-2020. In terms of the aggregate network, Luancheng ranked 52nd out of 120 cities in Hebei and 837th out of 1843 in China as of 2020.
New Street Additions (2006–2020)
- SNDi value
- 2.59
- Rank in China
- 577th of 1843
- Rank in Hebei
- 29th of 120
Entire Network (Aggregate)
- SNDi value
- 2.79
- Rank in China
- 837th of 1843
- Rank in Hebei
- 52nd of 120
Rankings go from most connected to most disconnected — rank 1 is the most connected.
What about similarly populated cities?
In new street additions, Luancheng built increasingly disconnected streets from 1975 through 1976-1990, then improved, while Po'lati fluctuated in its street-construction patterns and Gemlik built increasingly disconnected streets over time. Looking at the full network, Po'lati and Gemlik both became progressively more disconnected, while Luancheng grew more disconnected from 1975 through 1991-2005, then improved.