Yongchun in context: Street-network sprawl trends
Yongchun in context
The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Yongchun plotted against Fujian and China. The SNDi of new construction in Yongchun rose steadily, compared to Fujian which peaked in 1976-1990 and China which followed a zig-zag trend with an overall increase. Most recently, Yongchun's incremental SNDi rose from 3.01 to 4.39 between 1991-2005 and 2006-2020. In terms of the aggregate network, Yongchun ranked 34th out of 75 cities in Fujian and 1055th out of 1843 in China as of 2020.
New Street Additions (2006–2020)
- SNDi value
- 4.39
- Rank in China
- 1505th of 1843
- Rank in Fujian
- 53rd of 75
Entire Network (Aggregate)
- SNDi value
- 3.03
- Rank in China
- 1055th of 1843
- Rank in Fujian
- 34th of 75
Rankings go from most connected to most disconnected — rank 1 is the most connected.
What about similarly populated cities?
- Jajpur, India
- Podgorica, Montenegro
- Gloucester, United Kingdom
- Léogâne, Haiti
- Castelló de la Plana, Spain
- Najafabad, Iran
Yongchun, Jajpur, and Léogâne all built increasingly disconnected streets over time in new street construction. The same pattern holds for the full street network. Notably, Yongchun had a more sprawly network than Léogâne in 1975 but the two have since reversed their relative ranking.