Nanjiang County in context: Street-network sprawl trends
Nanjiang County in context
The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Nanjiang County plotted against Sichuan and China. The SNDi of new construction in Nanjiang County rose steadily, compared to Sichuan which followed a zig-zag trend with an overall increase and China which followed a zig-zag trend with an overall increase. Most recently, Nanjiang County's incremental SNDi rose from 5.48 to 6.37 between 1991-2005 and 2006-2020. In terms of the aggregate network, Nanjiang County ranked 91st out of 98 cities in Sichuan and 1765th out of 1843 in China as of 2020.
New Street Additions (2006–2020)
- SNDi value
- 6.37
- Rank in China
- 1757th of 1843
- Rank in Sichuan
- 90th of 98
Entire Network (Aggregate)
- SNDi value
- 5.46
- Rank in China
- 1765th of 1843
- Rank in Sichuan
- 91st of 98
Rankings go from most connected to most disconnected — rank 1 is the most connected.
What about similarly populated cities?
In new street additions, Nanjiang County built increasingly disconnected streets over time, while Teknaf built increasingly disconnected streets from 1975 through 1991-2005, then improved and Rumonge built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns. For the full network, Nanjiang County and Teknaf both became progressively more disconnected, while Rumonge became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards. Nanjiang County and Teknaf have been growing further apart in their street-network character since 1975.