Yongde in context: Street-network sprawl trends
Yongde in context
The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Yongde plotted against Yunnan and China. The SNDi of new construction in Yongde peaked in 1991-2005, compared to Yunnan which followed a zig-zag trend with an overall increase and China which followed a zig-zag trend with an overall increase. Most recently, Yongde's incremental SNDi fell from 7.28 to 5.97 between 1991-2005 and 2006-2020. In terms of the aggregate network, Yongde ranked 76th out of 78 cities in Yunnan and 1800th out of 1843 in China as of 2020.
New Street Additions (2006–2020)
- SNDi value
- 5.97
- Rank in China
- 1740th of 1843
- Rank in Yunnan
- 71st of 78
Entire Network (Aggregate)
- SNDi value
- 6.39
- Rank in China
- 1800th of 1843
- Rank in Yunnan
- 76th of 78
Rankings go from most connected to most disconnected — rank 1 is the most connected.
What about similarly populated cities?
- Limón, Costa Rica
- Nuevitas, Cuba
- Xinglong, China
- Hernandarias, Paraguay
- Zhenhai District, China
- Al Hoceima, Morocco
In new street additions, Yongde built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Limón built increasingly disconnected streets over time and Hernandarias fluctuated in its street-construction patterns. Looking at the full network, Limón and Hernandarias both became progressively more disconnected, while Yongde grew more disconnected from 1975 through 1991-2005, then improved. Yongde and Limón have been growing further apart in their street-network character since 1975.